It would depend on the specific team. Being on a better team in general he'd probably get more carries but his yards would remain the same. Most likely he'd get a lot less receptions unless he was on a team that ran the entire offense through the RB as options #1 and #1A.
I dunno, man. If I'm a coach and I have Tomlinson and a really awesome line, I would pass only once every 8-10 plays. I think Tomlinson could average over 5.5 yards per carry for an entire season. It would just be completely awesome.
I doubt his numbers would improve all that much. He gets alot of his points on those little dumpoffs late in the game when everyone and their mom know the Chargers have to pass because they're down by 80 points.
No idea why nflpa.org doesn't have year 6 on here. Strange that he's scheduled to make a lot less in 2005. Must be incentive based. Might be a shady reason for SD to limit his production in 2005 to save money.