Allen have you heard of any problems with .threads using XHMTL 1.0 transitional?
Mark Pilgrim (
more) had some things to say about xhtml but on the other side
Zeldman states he has done many sites with xhtml/css without problems.
Zackary here's
AlistApart's index of HTML/XHTML information below.
LoL I'm starting to think that there are *to many* standards around...