"Users of Windows Mobile and Java-enabled mobile devices can follow their Twitter in on-line now. Developer Kevin Cawley has released an updated version of TinyTwitter, a software that allows users to send - and receive - twitters while on the go."
If Twitter is your thing, than it's always nice to be able to keep on top of it by using a mobile client. This one looks to use .NET CF on Windows Mobile, and Java on other support OSes. Check it out, twitterphiles!