I also played first time yesterday (before that I just joined to see how it looks). And I've observed some things:
-Best mech game ever!
-For someone with slides-how (not so good computer) and high ping, Owens B is great

-criticals happens too often - I died (or lost mech) 5 times because of them on extermity (or whatever this map is called), enemy destroyed me just twice...
-Vulture is sooooo slooooow....
-Many newbs like me play this game - on third map (Sand-something) I managed to be 3rd top player in my team with GC rank (~30 players game)
-After reading so many whining about LRM boats and LT I haven't been killed by them as much (maybe because I were playing as Light mech all the time?), while I've killed a lot of them thou...
-killing BA with slide-show and 150 ping is pain in ass