I don't know if I'd refer to WordPress as a full fledged CMS......
Take a look at CMS Made Simple. It's open source (free!) and should have support for MSSQL.
__________________ Jim RunFatBoy - Exercise for the rest of us.
"The only people for me are the mad ones, the ones who are mad to live, mad to talk, mad to be saved, desirous of everything at the same time, the ones who never yawn or say a commonplace thing, but burn, burn, burn, like fabulous yellow roman candles exploding like spiders across the stars and in the middle you see the blue centerlight pop and everybody goes 'Awww!'"
-- Jack Kerouac |