Completely forgot to post that I beat Mercenaries: Playground of Destruction last month.
This was my first time playing it and I thought it would was a lot of fun. Basically it's like GTA, but set in a war-torn country where you have access to military weapons and vehicles. There's 4 factions you can play sides with and get missions from,and the rest of the time you pretty much get free reign to just go crazy blowing up whatever you want. It really lives up to it's name, Playground of Destruction.
I will say that, while the PS2 version plays perfectly fine, I've discovered that the Xbox is definitely the better way to experience the game, as it runs smoother, has shorter load times, has a better overall picture, and supports widescreen.