Calipers around 250-350(2nd hand from eBay)
Ttrs discs around 350(new)
Pads(depending what pads you go for so not sure on price)
Braided hoses around 100
& don't forget brake fluid
Regarding the ttrs discs,a lot of ttrs boys say they are sh:t,warps easily etc etc
Another alternative is to go for the daveb setup which is 1250 for the discs
Not sure if I misses anything out