French site, ClubIC, has posted information about upcoming Intellimouse products from Microsoft (spotted on Neowin). I must say I love my Intellimouse Explorer 3.0, I switched over from a couple of wireless Logitech mice (not the latest MX line) and MS' product has resulted way better in the long run, I'm talking of quality here.
The new mice support four way wheel, better autonomy (up to 6 months) and new radio technology that should avoid parasits. The scroll wheel moves up and down and from left to right so you can scroll in any direction when checking out a document for example. The black version of the mouse is supposed to be in leather. There will be a black version of the Multimedia keyboard as well as natural multimedia keyboard.