SupportVendor.COM (nice for portal, low to mid xx)
ReverseEngineering.US (best if developed)
PcCard.US (Best IMO, low to mid xx)
PPTP.BIZ Point-to-Point Tunneling Protocol (not suited to ext)
HOWDOYOU.BIZ (reg fee)
PC-CARD.BIZ (better if not hyphenated)
PcCompatable.BIZ (typo)