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.