update:
I got a Linksys/Cisco SPA-941
Very pleased. They also sell a 942 which has ethernet passthru and PoE but I am very, very pleased with this phone. ANyone have any questions about it feel free to IM me.
I am most interested in reviews and firsthand or secondhand experiences with the following
Polycom 501
Snom 320 or 360
Linksys SPA-941
But will be happy to listen to tales of other SIP phones.
I have asterisk set up and am wiring my home (and setting up some WiFi access points as well) for IP telephony. I found a provider that will sell DIDs for $1 month or toll-free 8XX DIDs for $2 mo, with 1.1c/minute calls inbound or outbound.
As far as I can tell, the Polycom looks like it has too many buttons. The Linksys is a very basic phone but looks very well laid-out (you can tell it was made after Cisco took over!)