I have a PCMCIA USB 2.0 card by Belkin. It is easy to install and works great.
http://catalog.belkin.com/IWCatProductPage.process?Merchant_Id=&Section_Id=200899&pcount=&Product_Id=122932&Section.Section_Path=%2FROOT%2FUSB%2FUSB20%2FMobilityProducts%2F
hello i have an hp pavilion ze4200 labtop and it only has 2 usb 1 ports which are being used and i 4pin 1394 slot which is being used. what options do i have to upgrade to have addtional usb2.0 ports and firewire 800. do i have to change stuff out because its the older stuff or are there some sort of adapters so my computer can use the faster technology also, thanks

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic