1. Everything from orginal fw but fixed and in newest versions.
2. WL-500g Premium have 32 mb without any hacks.
3. Ext3, Ext4 is the best filesystem for linux but you can use other filesystems.
7. I use ushare and it works perfect with my xbox. There is only one limitation, ushare dont see more than 1000 files in one folder.
8. Yeah
9. No
10. Yes
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2. Yes
http://code.google.com/p/wl500g/