Yes they are all computer speaker systems.
Not sure with the room size though, I have plans on moving somewhere else by December. But I think I'd still fall for the 10x10 room.
Yes my laptop has optical out. But i'm buying this express card.
http://us.creative.com/products/product.asp?category=1&subcategory=208&product=16642&nav=1
http://us.creative.com/products/product.asp?product=16741&dcs.acsF_P=Sound%20Blaster%20X-Fi%20Xtreme%20Audio%20Notebook&dcs.acsF_A=Surround%20Sound%20upgrade%20kit%20for%20ExpressCard%20Sound%20Blaster&dcs.acsF_X=Product%20Img
Or am I better off buying the USB set?
http://us.creative.com/products/product.asp?category=1&subcategory=208&product=17751&nav=1
Here's my laptop specs, think you might need it.
Sony VAIO AR94US - Owner Made. Intel® Centrino® Duo Mobile Technology Intel® Core?2 Duo Processor T7700 (2.4GHz, 4Mb L2, 800MHz FSB) Intel® 965PM Express Chipset Intel® Pro-Wireless 3945 a/b/g Card 17in. WUXGA (1920 x 1200) TFT colour display (Clear Bright High Colour LCD) Camera embedded (Motion Eye) Nvidia GeForce Go 8600M GT 256MB Dual display 3D GFX acceleration Blu-ray Disc Drive 2.0Gb DDR2 667MHz Memory 400Gb 7200rpm SATA HDD Built-in 10/100/1000 Gigabit LAN . . . On board 56Kb Modem Memory Stick Slots / Bluetooth
I haven't bought anything yet though. I just want to get out of this 3d stereo my laptop has and upgrade it to a good 5.1/7.1 system.