waiting on the wife to finish the salsa, so here is my $0.02.
I have many blogs and think that setting them up one at a time is the best way. Remember, quality not quantity. Start with one and get it where you want it, than move on to the next. Don't rush on things and do it right the first time...
and always remember K.I.S.S, "Keep It Simple Stupid"
as for posting to them all, I use
http://download.live.com/writer