Hey ignatz,
I am using the ASUS WL-300g. Very happy with it. You can read a review here:
http://www.tomsnetworking.com/Review...dID-WL300G.php
One nice thing about it is that the firmware is Linux-based and completely open-source (>180Mb download). Some kids are adding things to it like Telnet, FTP, etc. which makes it even more interesting.