It is also my first gun.
I purchased a Remington 870 Express Shurshot w/a thumbhole stock, 23" fully rifled cantilever barrel, and a synthetic black stock. (crappy cell phone pic below)
I'll be deer hunting for the first time this fall, and my state does not allow rifle, so shotgun it is. After much research, and picking the brains of many hunter friends, I decided on that gun.
Today I got to shoot it for the first time. Since it is fully rifled, I need to use sabot slugs in it, which are a bit pricey (think $11-20/box of 5). I put 75 slugs through it today in about two hours. I'm not sure which hurts worse, my shoulder or my wallet.