Davies actually recruited McKnight, he stayed as a 5th year senior because of a medical redshirt in '05. Ty gave Weis Smardzija, but Jeff was a bench warmer until Weis got him, I think he had all of one catch under Ty's coaching. Walker turned out alright under Ty, but his numbers Sophomore/Junior year weren't as good as they could of been, but the O-Line hasn't been getting any better either. Brady was pretty average till Weis came in, the offense wasn't as bad as it is now, but it was pretty ugly to watch under Ty. Games were won on Defense and Special Teams more often than not, as oppose to the last two years.
As far as who received more talent, I think Ty actually had the benefit here. He had Julius Jones, Ryan Grant, both 1000 yard rushers (Jones sat out a year for grades). Both coaches had Stovall and McKnight, although both didn't get serious numbers till Weis came in. Both coaches also had Anthony Fasano. Ty may have had David Givens his first year too, not sure. The QB situation wasn't good, but thats partly a result of Ty switching to the West Coast offense. He would have had Arnaz Battle at QB if they didn't switch to West Coast, Arnaz was originally recruited for the Option, he now starts at WR for the 49ers. Ty got some pretty nice defensive guys from Davies too, like Justin Tuck.
The O-line was more solid when Ty took over and slowly degraded, Ty's recruiting hurt the O-line big time. If you look at the 2003 class, which would have been seniors this year, more than half the class has LEFT. Of the remaining players, only two start I think, one being Crum on defense. Thats one of the reasons theres so many freshmen and sophomores starting, which is accouting for a lack of experience on offense.
As far as the ND fans that are bitching about this season, its kinda sad. We knew going in this was going to be an ugly year, theres a big lack of leadership on the field, mostly on offense anyway. I expect the O-line to get better by next year, a new O-line coach may be required otherwise because the talent is coming in at those positions. I'll still be going to games to cheer, but I'm not expecting miracles, just improvements.