I haven't heard of Amigo Communication as a manufacturer.
I would stick with ATI, Visiontek, Sapphire, MSI and ASUS, in that order.
I have had VisionTek and I currently use made by ATI X800Pro.
Make sure it is PRO!
Soyo Dragon Ultra Platinum Edition powered by a P4 3.06GHz w/HT @ 533FSB
ATI Radeon X800Pro 256DDR <---Yeah!!! I finally got it!!!
1024MB PC3200, Creative Audigy LS, 2 x 40GB = 80GB RAID 0
Windows XP Pro, DOOM 3, CS, UT2004, BF1942 RtoR, CNC Generals
Finished Half-Life 2!!!!!!!!!!