So how do they perform compaired to a car that came OEM with HID's?

I've been looking into HID's for my cobra but I've been hesitant because I was thinking they would not project the light very well in a projector ment for a normal buld?

99 COBRA
19" HRE's
cleaned up stock intake
BBK LT's VRS X PIPE W/CATS
Magnaflow cat-back
removed air silencer w/K&N
in line 47k resistor
cobra r bilsteins w/KB springs
MM sub frame's
MM STB
http://www.mustangworld.com/ourpics/News/select1602.htm
SOLD 99 SVT CONTOUR