firewire 400/800 PCMCIA cards for thinkpads T22 and T42

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since ibm is lagging with including firewire with the tp line (and only includes 2 usb ports, which I think is insufficienct nowdays), I need to get an external PCMCI card with firewire (and maybe usb connectivity).

I would be interested in hearing people's experience with these devices, particulalry whether its worth going for the new firewire 800 hardware or save $40-50 and go for the 400 standard. I intend to use firewire for CDDVD burning and for a large external HDD.

I also found a PCMCI card that claims to combine 2x USB2.0 and 2x firewire400 (http://www.tigerdirect.com/applications ... 1&NoMapp=0). Does anybody have any experience with such device? - I read somewhere on the web that mixed usb-firewire devices are not yet reliable.

many thanks!