There are a couple of theories I've seen offered up by some of the TAMU message boards, that I think have merit.
Theory #1--cheer for texas to pound ou every year at the RRS. The idea is that we are not going to be seen as ahead of Mack and company for a long time, so its OK to be behind them in the pecking order. However, if the sooners quit playing in BCS games, and winning conference titles, perhaps their ability to raid Texas for talent decreases. When ou was dominating Texas on the field the first half of the 2000s, Texas was still recruiting light out. Don't focus on Texas, instead focus on OU. TAMU needs OU to lose as many games as possible (RRS, Bedlam, tech etc...).
Theory #2--try to win a few head-to-head battles with Mack, but really lock up the Texas kids that (for whatever reason) Mack passes on. In 2010, Mack passed on a bunch of OL, some good LBs and DBs. We were able to land the OL, we missed on the LBs (Nelson, Lewis) and the DBs (Dixon, Stephenson, Loften, Evans, Muncie).
Theory #3--recruit for the 3-4 defense. Similar to what Leach was doing on offense, we need to do on defense. If we run a different defense that Texas does, we won't target the same kids. Running a 3-4, we need 6-2, 205 pound DE/LBs as OLBs. Muschamp is looking for bigger kids than that for his LBs. Guys that would be a DT in a 4-3 can be a DE in a 3-4. Since you can't beat Mack for those guys, go after guys that aren't on Mack's radar screen.