Preseason SOS rankings are worthless, more than preseason rankings themselves. However, here's a different look at preseason rankings I found on CBS sportsline.
Here's the 
link
By the way, USC is at 56 on this one. :shrug: 
2005 Strength of Schedule  
Rnk  School  Conf.  Rating  
1  North Carolina  ACC  1.3893  
1  Georgia Tech  ACC  1.3893  
3  West Virginia  Big East  1.385  
3  Rutgers  Big East  1.385  
5  Notre Dame  Independent  1.380  
6  Kentucky  SEC  1.369  
7  Syracuse  Big East  1.320  
8  South Florida  Big East  1.293  
9  Georgia  SEC  1.287  
10  Connecticut  Big East  1.276  
10  Pittsburgh  Big East  1.276  
12  Cincinnati  Big East  1.258  
13  Arizona  Pac-10  1.2718  
13  Stanford  Pac-10  1.2718  
15  South Carolina  SEC  1.269  
16  UCLA  Pac-10  1.262  
17  Arkansas  SEC  1.260  
18  Duke  ACC  1.235  
19  Baylor  Big 12  1.229  
20  Maryland  ACC  1.226  
21  Kansas  Big 12  1.2208  
21  Oklahoma State  Big 12  1.2208  
21  Texas A&M  Big 12  1.2208  
24  Ohio State  Big Ten  1.213  
25  Texas Tech  Big 12  1.211  
26  Illinois  Big Ten  1.189  
27  Florida  SEC  1.178  
28  Louisville  Big East  1.030  
29  LSU  SEC  1.1697  
30  Mississippi  SEC  1.1697  
31  Alabama  SEC  1.1608  
32  Kansas State  Big 12  1.1565  
33  Missouri  Big 12  1.1565  
34  Washington  Pac-10  1.153  
35  Oregon  Pac-10  1.144  
36  Colorado  Big 12  1.1386  
36  Iowa State  Big 12  1.1386  
36  Oklahoma  Big 12  1.1386  
36  Texas  Big 12  1.1386  
40  Washington State  Pac-10  1.136  
41  Virginia  ACC  1.1356  
42  Miami (Fla)  ACC  1.1356  
43  Mississippi State  SEC  1.134  
43  Vanderbilt  SEC  1.134  
45  Nebraska  Big 12  1.129  
46  NC State  ACC  1.1178  
46  Boston College  ACC  1.1178  
48  Temple  Independent  1.101  
49  Tennessee  SEC  1.087  
50  Penn State  Big Ten  1.0861  
50  Michigan  Big Ten  1.0861  
50  Northwestern  Big Ten  1.0861  
50  Purdue  Big Ten  1.0861  
54  Indiana  Big Ten  1.0683  
54  Wisconsin  Big Ten  1.0683  
56  Arizona State  Pac-10  1.0449  
56  Southern Cal  Pac-10  1.0449  
58  Florida State  ACC  1.0445  
59  Auburn  SEC  1.042  
60  Clemson  ACC  1.0266  
60  Virginia Tech  ACC  1.0266  
62  California  Pac-10  1.018  
63  Hawaii  WAC  1.011  
64  Wake Forest  ACC  1.008  
65  Army  Independent  1.004  
66  Air Force  Mountain West  .9857  
66  TCU  Conf. USA  .9857  
68  Fresno State  WAC  .9851  
68  Utah State  WAC  .9851  
70  Ball State  MAC  .9778  
71  Michigan State  Big Ten  .9771  
72  Iowa  Big Ten  .968  
73  Minnesota  Big Ten  .959  
74  Oregon State  Pac-10  .944  
75  Rice  Conf. USA  .927  
76  San Diego State  Mountain West  .912  
77  New Mexico State  WAC  .902  
78  Colorado State  Mountain West  .894  
79  Boise State  WAC  .893  
80  BYU  Mountain West  .8767  
80  Wyoming  Mountain West  .8767  
82  Louisiana Tech  WAC  .867  
83  Navy  Independent  .866  
84  New Mexico  Mountain West  .8589  
84  UNLV  Mountain West  .8589  
86  Bowling Green  MAC  .8511  
86  Ohio  MAC  .8511  
88  Idaho  WAC  .8494  
88  Nevada  WAC  .8494  
90  San Jose State  WAC  .840  
91  Kent State  MAC  .8332  
91  Miami (Ohio)  MAC  .8332  
93  Tulsa  Conf. USA  .818  
94  Marshall  Conf. USA  .7734  
94  Memphis  Conf. USA  .7734  
94  Tulane  Conf. USA  .7734  
94  UAB  Conf. USA  .7734  
98  Utah  Mountain West  .767  
99  Louisiana-Lafayette  Sun Belt  .7536  
100  Louisiana-Monroe  Sun Belt  .7535  
101  Buffalo  MAC  .7421  
102  Eastern Michigan  MAC  .7240  
103  Western Michigan  MAC  .733  
104  Akron  MAC  .7242  
105  Northern Illinois  MAC  .7152  
105  Toledo  MAC  .7152  
107  Central Michigan  MAC  .706  
108  East Carolina  Conf. USA  .6734  
109  SMU  Conf. USA  .6734  
109  UCF  Conf. USA  .6734  
111  Southern Miss  Conf. USA  .6644  
111  UTEP  Conf. USA  .6644  
113  Florida Atlantic  Sun Belt  .6535  
113  Middle Tennessee  Sun Belt  .6535  
115  Houston  Conf. USA  .646  
116  North Texas  Sun Belt  .6356  
116  Troy  Sun Belt  .6356  
118  Arkansas State  Sun Belt  .626  
119  Florida International  Sun Belt  .617