Best wifi USB stick to buy?

Can someone recommend a wifi USB stick with good documentation for FreeBSD? I heard of a chipset that starts with "a" that is suppose to be excellent but after Googling a few weeks for an hour about 30 wifi USB adapters, I didn't get any luck on the chipset. Newegg doesn't let me search by chipset so can someone here PLEASE tell me a card that actually works under $50 bucks?

PS And a recommendation for a wireless router under $100 would be appreciated, also! Thanks!

I'll be using the most current version of FreeBSD, that is, 8.0-RELEASE.
 
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