I'll let the others on the board be the judge of that.
Oh, but I do.
Park Factor - 2006
Rk Park Name Runs HR H 2B 3B BB
1 Great American (Cincinnati, Ohio) 1.153 1.275 1.026 0.929 0.400 1.065
[b]2 Coors Field (Denver, Colorado)[/b] 1.149 1.167 1.141 1.006 1.224 1.067
3 Kauffman Stadium (Kansas City, Missouri) 1.147 0.982 1.088 1.195 1.207 1.124
4 Chase Field (Phoenix, Arizona) 1.141 1.343 1.101 1.096 1.636 1.084
5 Rangers Ballpark (Arlington, Texas) 1.081 1.066 1.025 1.133 0.778 1.043
6 Wrigley Field (Chicago, Illinois) 1.075 1.212 1.011 1.080 1.364 0.898
7 Rogers Centre (Toronto, Ontario) 1.067 1.272 1.031 1.016 2.000 0.954
8 Citizens Bank Park (Philadelphia, Pennsylvania) 1.063 1.201 1.007 1.029 0.653 0.955
9 U.S. Cellular Field (Chicago, Illinois) 1.054 1.307 1.009 0.912 0.645 1.120
10 Dodger Stadium (Los Angeles, California) 1.046 1.194 1.024 1.019 0.517 1.160
Rk Park Name Runs HR H 2B 3B BB
11 Tropicana Field (St. Petersburg, Florida) 1.041 1.164 0.972 0.932 1.609 1.094
12 Minute Maid Park (Houston, Texas) 1.034 1.171 0.989 1.007 1.292 0.965
[b]13 Fenway Park (Boston, Massachusetts)[/b] 1.031 0.727 1.041 1.368 1.000 0.936
14 PNC Park (Pittsburgh, Pennsylvania) 1.008 0.822 1.118 1.263 1.000 0.980
15 Miller Park (Milwaukee, Wisconsin) 1.004 1.006 0.947 0.982 1.364 1.095
16 AT&T Park (San Francisco, California) 0.993 0.681 0.972 1.080 1.049 0.991
17 Camden Yards (Baltimore, Maryland) 0.985 1.184 1.030 0.876 0.600 0.914
18 Comerica Park (Detroit, Michigan) 0.980 0.806 1.016 0.921 1.167 1.020
19 Metrodome (Minneapolis, Minnesota) 0.963 0.836 0.976 0.947 1.591 0.792
20 Busch Stadium (St. Louis, Missouri) 0.950 0.887 0.968 0.886 0.752 1.038
Rk Park Name Runs HR H 2B 3B BB
21 Turner Field (Atlanta, Georgia) 0.946 0.929 1.026 0.994 0.722 0.906
22 Jacobs Field (Cleveland, Ohio) 0.946 0.866 0.942 0.982 0.786 1.065
23 RFK Stadium (Washington, D.C.) 0.942 0.859 0.960 0.861 1.370 0.864
24 McAfee Coliseum (Oakland, California) 0.921 0.852 0.976 1.071 0.931 0.899
25 Angel Stadium (Anaheim, California) 0.906 0.801 1.025 0.939 0.793 0.957
26 Shea Stadium (Flushing, New York) 0.902 0.881 0.935 1.003 0.844 1.019
27 Yankee Stadium (Bronx, New York) 0.900 1.065 0.930 0.947 0.483 0.934
28 Dolphin Stadium (Miami, Florida) 0.898 0.881 0.945 0.969 1.405 1.107
29 Safeco Field (Seattle, Washington) 0.881 0.888 0.895 0.913 0.912 1.073
30 Petco Park (San Diego, California) 0.860 0.982 0.905 0.767 1.086 1.012
(Note, this is when the Rockies used the humidor)
Park Factor - 2005
Rk Park Name Runs HR H 2B 3B BB
[b]1 Coors Field (Denver, Colorado)[/b] 1.285 1.119 1.254 1.135 1.481 1.035
2 Citizens Bank Park (Philadelphia, Pennsylvania) 1.161 1.289 1.117 1.127 1.406 0.931
3 Great American (Cincinnati, Ohio) 1.128 1.263 1.070 1.187 0.530 0.958
4 Turner Field (Atlanta, Georgia) 1.095 0.879 1.061 1.120 1.399 1.014
5 Chase Field (Phoenix, Arizona) 1.078 1.046 1.045 1.069 1.659 1.041
6 Rangers Ballpark (Arlington, Texas) 1.076 1.263 1.036 1.032 1.812 0.975
7 McAfee Coliseum (Oakland, California) 1.064 0.890 1.015 1.127 0.782 0.980
8 Yankee Stadium (Bronx, New York) 1.051 1.106 1.083 0.882 1.122 0.891
9 U.S. Cellular Field (Chicago, Illinois) 1.044 1.375 0.972 0.923 0.864 1.086
10 Rogers Centre (Toronto, Ontario) 1.039 1.255 1.045 1.071 1.085 0.882
Rk Park Name Runs HR H 2B 3B BB
11 PNC Park (Pittsburgh, Pennsylvania) 1.034 0.868 1.058 1.125 1.338 1.018
12 Busch Stadium (St. Louis, Missouri) 1.028 1.148 1.015 1.062 0.628 0.992
[b]13 Fenway Park (Boston, Massachusetts)[/b] 1.027 0.886 0.964 1.324 0.890 1.076
14 Metrodome (Minneapolis, Minnesota) 1.019 0.947 0.972 0.967 0.828 0.897
15 Wrigley Field (Chicago, Illinois) 1.015 1.052 1.009 1.058 1.086 0.954
16 Miller Park (Milwaukee, Wisconsin) 0.992 1.085 0.895 0.877 0.948 1.032
17 Tropicana Field (St. Petersburg, Florida) 0.986 0.876 1.001 0.904 1.266 0.991
18 Kauffman Stadium (Kansas City, Missouri) 0.972 0.761 1.022 1.157 0.912 0.988
19 Safeco Field (Seattle, Washington) 0.970 0.844 1.020 0.962 0.608 1.049
20 AT&T Park (San Francisco, California) 0.970 0.915 0.963 0.908 1.044 0.974
Rk Park Name Runs HR H 2B 3B BB
21 Shea Stadium (Flushing, New York) 0.963 0.871 1.005 0.952 0.686 1.013
22 Comerica Park (Detroit, Michigan) 0.959 0.944 1.038 0.887 1.737 1.041
23 Minute Maid Park (Houston, Texas) 0.949 1.195 0.990 0.804 0.926 0.971
24 Angel Stadium (Anaheim, California) 0.921 0.901 0.951 0.984 0.988 0.983
25 Dodger Stadium (Los Angeles, California) 0.901 1.049 0.904 0.977 0.416 1.042
26 Dolphin Stadium (Miami, Florida) 0.883 0.803 0.925 0.859 1.095 1.114
27 Jacobs Field (Cleveland, Ohio) 0.880 0.872 0.923 1.043 0.338 1.004
28 Camden Yards (Baltimore, Maryland) 0.876 0.961 0.943 0.824 0.681 1.214
29 RFK Stadium (Washington, D.C.) 0.860 0.775 0.851 0.888 1.051 0.953
30 Petco Park (San Diego, California) 0.803 0.750 0.903 0.832 1.331 0.945
(This is when they did not, and the Rockies are NOT using it this year.)
I agree, his average may see a slight rise (about 1 to 2%), but what's left of his power numbers would continue to be chipped at. I'd say he might hit six HR's out of Fenway.
(Sorry, can't post links)