That's right, we just arrived in Barcelona fattened up on airline food and as rested as 8 hours of recirculated oxygen consumed at a 30-degree incline can provide. Weary? No way, we're staring Mobile World Congress 2010 in the face, and if you're a smartphone nerd (and really, what modern gadget fan isn't?) then this is the event that will reveal our future handheld device purchases. So what's going to happen? Windows Mobile 7 seems like a lock as is a Samsung Bada debut with the Wave handset. But what are HTC, Sony Ericsson, Nokia and the rest of the industry up to? We'll find out soon enough -- press events begin tomorrow.