I hate to be bringing negative stuff to the site but it seems a lot of people here have this notion in their head that our bigs are just being rested for the playoffs and everything will be fine barring another random injury.
You must realize after the last two seasons of ambiguous Knicks injuries that all is not as it seems.
Tyson, Camby, KMart and Sheed are all banged up with significant injuries and they are not going to be even close to 100% when the first round starts. It's highly unlikely any of them will reach 100% again this season (in fact for all except Tyson, more likely the rest of their careers).
It's going to take close to a miracle to allow us to have even half of our bigs available through this playoff run.
So pray, plead, beg to god/ganesh/the great spaghetti monster for our bigs health, we need it.