Not sure what you should go with, but here's a RockShox TK 30
for $110. Sale expires today, though. Maybe it's just a new-old-stock of last years model or something. I think it's the same fork and they just made it 4.25lbs rather than 4.75lbs this year. Hmm...
And I would tend to think that the 30mm tube would make a difference. It makes the fork stronger and stiffer(more stable and consistent control when you're riding over rocks and roots, etc.). I'm no expert, but considering many lighter, flexier forks are 28 and many heavy duty, stiff forks are 32 - a mere 4mm difference - I'd think the 30mm probably is actually stiffer and better than the 28mm. It always depends on the kind of riding you're doing, though. If you're hitting any jumps, I'd go with the 30mm myself.
Last edited by 3speed; 04-30-12 at 04:14 PM.