Need Help Choosing a Game????

Ok so according to my best buy flyer there are a couple of good games on sale for boxing day and i've narrowed it down to these two choices

UFC Undisputed 2010----$19.99

or

Splinter Cell Conviction----$19.99

What game do you guys recomend, which has better online play, which lasts longer??

Please go to the stickied Game Recommendation Thread.

Theres a game recommendation sticky thread like realguitarhero5 said. Use the sticky please. :)

As mentioned above, please use the stickied recommendation thread!