For a budget clutch you will have to stay single plate, here are some options i quickly found from the for sale section
Heavy Duty Organic clutch kit (240rwkw), $335
Heavy Duty 5 Puk Button clutch kit (300rwkw) , $439
Heavy Duty Cushion Button clutch kit (260rwkw) , $445
Exedy (SC) Cerametallic 3 Puk Button clutch kit (330rwkw), $610
The thread i got them from is here: CLICKY FOR LINKY
Who are BURSON?
Ask them first how much they will charge, i wouldnt pay more than $350-400 for anything like that (thats assuming you just walk in off the street). Negotiate a bit and see how you do