MSI K9A2 Platinum
Take a look at that... thats probably what you should get.
Among further research, you will also need a heatsink as no cooling device is included with the Phenom 9850, This Zalman will do fine.
You also said u wanted a not so flashy case, here ya go: A solid Lian-Li case
It will ultimately make the room a smidgen darker really


Sorry for late responses, im not at home this weekend.