CAN Bus Analyser

Hi guys,
Sorry for the post in English but has anyone had any experience with this device?
http://www.racelogic.co.uk/?show=-CAN_Design-CANDisplay

the other option for me is to use a PC card like this:-http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=7596792979&rd=1&sspagename=STRK%3AMESE%3AIT&rd=1
.. is this any better than the USBCAN device?

any advice would be much appreciated.

Regards
Christof