I encourage everybody to please please please try Erepublik, as linked above. Not only will you experience exciting, high resolution graphics, but also a well-made strategic experience that should appeal to every gamer at every level, from your professional Canadian gamers, to your stay at home moms playing Farmville. It's as close to gaming nirvana as you can get.
But wait, there's more... By using the link in the above post, you will be helping out a fellow saints fan! How can it get better than that - really, just try it. Click, click!
(note: Neither saintsreport nor I warrant, endorse or otherwise guarantee any of the content of this post or link in the OP. I have not clicked the link and I have no idea what's behind it.)