Our first glimpse of T-Mobile's new 2009 edition Sidekick LX was all too brief, so we've jumped back in for some in-depth video hands-on (embedded after the break). One word of warning: this screen is truly incredible, and we can't be held responsible for any instances of sudden onset Sidekick envy. Traipsing through the OS, we found most everything to be responsive, intuitive and actually pretty feature-packed. The Facebook and Twitter apps are some of the best we've seen, and Laura our demo person was actually brave enough to shoot, upload and stream YouTube live on video with
