Most of the WIFI card will plug and play. If your are running Gusty the newest
version of Ubie. Here is a link for cards that run and go. Some do need some
mojo to run. Like DL the drivers and ect..
https://help.ubuntu.com/community/WifiDocs/WirelessCardsSupported
What you could do is take the live Ubie CD to the computer store and see which
card works.