nissan tune pricing* 

370z via EcuTek - $800*
Stock Turbo R35 GTR via Ecutek - $900
Upgraded Turbo R35 GTR via Ecutek - $1400
Add-ons: 
Alternative map for race fuel or E85 add $350
Pops & Bangs - $150
EcuTek ECU Connect Bluetooth Interface - $320 when bundled with a tune. 
*Prices assume the vehicle is still using a MAF sensor, Speed Density conversion will be an additional amount.