I've been using Unity for about a year now, and before that I was using ShiVa. I've also been using blender for around three years (but I never really got that good with it). I just wanted to offer my help to anyone new to unity - I'm not exactly an expert but I've picked up a few things.
I'm currently working on a game called Illinc - It's a MMORPS that I've been working on quite some time now. I recently began to work on the game mechanics, I'm in the middle of getting everything running correctly but this is what I have so far
http://illinc.cz.ccWASD to move
R to reload
click to shoot
left panel is ammo
right panel is the health of the box your shooting (sent after you shot it)
The gun I made for these tests