Alfonso Presa as made a very nice today Skin/Plugin named Throttle Launcher that enables one to give a diferent look to their today screen. Here are two very fine examples: Windows Mobile 7 Touch FLO 3D The software is free, so if you want to try it out...
I just learned, at WMExperts about a new Today Screen Plugin that allows you to create twitter blog entries right from your Today screen! This sofware was made by Dale Lane , and you can grab a copy here .