I can’t go into details (as usual), but I’ve handled both of these and think they have a pretty damn good user experience and overall proposition. Think of it as the Sidekick brought to the 21st century (simple UI, practical communication with your buddies any way you want it), and you’re not too far off - and we all know how loyal Sidekick users were. This is Microsoft’s mobile wildcard, and I happen to think it’s a pretty good one for the mass market youth segment.