How much would it cost for me to buy an Ibanez Sz 720 ($645) and add GOOD locking tuners, and DiMarzio pickups?

The Ibanez should come with the locking tuners. If not, probably close to 100$.
DiMarzios are best of the best. You're looking at $1000+.
I'm looking to get DiMarzio's myself...
Jackson King V KVX10
Line 6 Spider III 75 W.
Peavey 5150/6505 Combo to be owned at the end of 2010.