I have made skype-to-skype calls on 3G, skyped out only on wifi. I am on SO 30 day rolling, 12 month SO contract kinda defeats the point for me!

I spoke to someone once but that was with a different sim and account, I only succeeding in running rings around them when asking about which ports and traffic they blocked and I didnt get any real answers. I have had several different SIMs and accounts with t mobile since getting my N900 and skype has always worked for me over 3G.

I also run over my data limit monthly (sometimes quite severely) and no one has ever said anything to me and I have never been charged extra.

I would love to have easy access to FTP ports, I would give up skype for that anyday though i draw the line at paying for 'plus'.

wnw connects quickly for me too and serves my needs pretty adequately.