I'd say a Pioneer as well since mine will write just about anything you throw at it. The BenQ is very impressive in terms of writing quality though not as diverse on media selection I tried to burn an old LONGTEN 001 disc on my 1640 and it didnt work my Pioneer still burns them fine.
Pioneer dvr-108,NEC 3540,BenQ 1640,LiteOn 1693S
Intel pentium D 930 oc to 4.2 ghz
2 gb ddr2 1066 mhz ram
sb audigy 2 zs platnum
hardware mpeg2 encoder card
Conscience is what hurts when everything else feels so good