This morning Slashdot broke the news that Intel has a driver out for their Centrino wireless cards. Having spent a bit of time reading this over it looks good, it just needs a bit of fleshing out. The initial version doesn't support WEP, which makes this useless for me at the moment. However, I do plan on keeping a close eye on this.
Read all about the progress at http://ipw2100.sourceforge.net.