FWIW, supposedly OS2008 will have video over SIP support. (For h.263 video) This is per Ari Jaaksi's blog. So at least there will be *some* option using video enabled PC SIP clients. Personally I'm just waiting for the day that Google adds jingle-video to their Gtalk PC client. I'm really not sure what the holdup is there. They basically created the jingle spec.