I'm looking for a web based newsgroup reader, so no matter what computer I'm on I have access to what I've marked as interest and what I've replied to. Currently I'm using Windows Live Mail Desktop, I have used MS Outlook in the past and a NNTP plugin for Office Outlook.

Google groups works great with the one exception, if I post something then my email address gets exposed to the WWW and I can't seem to find a way to edit it so add the usual 'NOSPAM' text, which I'm sure is a pointless effort as spammers probably parse the addresses to remove this. I just made the mistake of posting something thru google groups and it will probably increase the spam to my inbox now.

Microsoft has an online reader for their newsgroups but its slow and crap.