From what I hear AGP is good with their warranties. If you decide on the RS49 you may want to check out SlowBoy's G50 also.
----------------------------------------I used to have a 420A...'92 TSi AWD11.8 @ 119mph470awhp 405 ft/lb torque30psi on E85 w/ Borg Warner S256 TurboMy DSM Registry: http://www.dsmregistry.com/166