Hi ldb I use a Thomson Speedtouch 330 USB quite successfully, runs at 7.6Mbps. My system is old - a 266MHz Socket 7 AT PC running Windows 98SE. I've had no real problems. Just take the precaution of using antivirus and a firewall as well as spybot and a anti adware program. CCleaner is good as it cleans out the c**p that windows accumulates.