To offer a bit of advice of my own - deals are to be had. Here's a list of my personal stuff.
2001 Round nose $800 (Not a typo)
Porting $100 (Did it myself, great results)
Pistons $200
ADA Head $350
b-pipe $450
13/16 prop $200
hood $325
Pole $400
Chinpad $145
Bracket $125
Misc hardware $200
UMI Steering $80 (includes short plate)
footholds $150+
Turf $125
MSD Digital TL $375
VForce Reeds $150
Carbs, manifold $300
Throttle, bars $70
Total $4545
Total of parts I sold of this ski:
Stock ignition $150
Pole, pad, pistons $130
Stock reeds $20
Carbs $125
Misc stuff $300
Total $825
Total for the ski = $3820
And I would say I have a bitchin' Superjet.
Mandatory Edit: This post is for educational purposes only. It does in no way relate to the true, and much lower cost, of my parts.