For what it's worth, if you have the PC version of Madden, there is an external program called "Madden Amp", which if my information is correct Spin helped develop, which includes an NFL Draft program. I believe it does use a slightly modified version of the draft logic from that thing you are talking about, and it results in much better drafting by the CPU teams.
If you want Madden Amp, it's at
www.football-freaks.com