In portage tree since three months, without any bugs reported. I use this on my laptop on a daily basis. Please note that version 39.31.5.1 is actually an upgrade, in spite of the lower version number. Thanks in advance.
installing ok, no hw to test amd64 ok
ditto
Archtested on x86: Install OK, no hardware to test. Everything fine
amd64 : works well on my (backup) laptop, mixed tree. Monitor mode doesnt seem to work (aircrack), but its not an regression, I used to have non standard patches for that (I think).
+ 16 Sep 2011; Tony Vroon <chainsaw@gentoo.org> iwl1000-ucode-39.31.5.1.ebuild: + Marked stable on AMD64 based on arch testing by Agostino "ago" Sarubbo, Ian + "idella4" Delaney & Tomáš "Mepho" Pružina in bug #382509.
x86 stable, thanks JD