Either one is fine, I've been burning since the early 90's, back when 2X is considered fast. I still have an external Yamaha 400TX SCSI burner (4 times CD-R, no RW) and a defunct Yamaha 2X burner. I also owned Plextor 8/4/32A as well as my current 12X SCSI plextor burner (in my signature).
If...