Geek.com has an incredibly detailed examination of Windows Mobile Crossbow along with enough screenshots to choke a monkey. Does it look better than WinMo 5? Absolutely. Does the rancid taste of WinMo 5 in the back of my mouth make me wary that this is much of an improvement? Yep. That said, go ahead and take a gander.
First Impressions: Windows Mobile 6 [Geek.com]