The OpenHAL driver from the Madwifi project supports the ar5007 chip perfectly well, I am using it on my Acer Aspire One netbook, along with the wicd Graphical manager (network-manager does NOT support the new HAL driver)
See the Debian Acer Aspire One wiki for directions.
http://wiki.debian.org/DebianAcerOne
You don't need the ndiswrapper shim to make this card work.