That setup sounds quite allright to me. What kind of FAN do you want advice on? CPU fan, Case Fan? A good and silent CPU fan for S939 is thermaltake CL P0200 http://www.thermaltake.com/coolers/cl-p0200silent939/cl-p0200.htm An excellent Case fan is CoolerMaster AAF B12 E1. There's also an 80mm version. Check out: http://www.coolermaster-europe.com/...nguage_s=2&url_place=product_list&p_class=561 There's plenty of good memory out there, one good choice is crucial ballistix pc3200, choose two modules of either 256MB or 512MB. This memory has an excellent price-performance ratio as well as excellent (overclocking) performance. A sound card you don't need, since the Motherboard has already 7.1 surround sound onboard. Also, since you mentioned you don't play any heavy games, you won't need a top of the line graphics card. But the other guys can tell you all about that I reckon (most of them have more gaming experience than me).
That case doesn't come with a power supply, you will need to buy one. You don't need an SLI-compatible one, so get any 400 watt or up power supply from a reputable manufacturer: antec, seasonic, sparkle, tagan, OCZ. DON'T grab some crap generic one or house brand. The $10 you save isn't worth it. Get some Corsair ValueRam, at least one gig http://www.newegg.com/Product/Product.asp?Item=N82E16820145440 .Inexpensive, but good quality and stable as long as you're not overclocking.Gigabyte 6600GT card will be more than enough for you for a while http://www.newegg.com/Product/Product.asp?Item=N82E16814125156