Anything cool you can put in a expansion bay?

[j_v_z]

hey all, just wondering if theres anything really sweet that is also functional? i mean i have a light scribe cd/dvd burner, but i want to make my tower look way more sweeter. i have a cooler master case

 

[Bobert93]

i rekon this things pretty cool

http://www.frostytech.com/articleview.cfm?articleID=2251

 

[Neodude1123201]

Yeah,A Fan controller not only looks mad,But is a Must have for true overclockers,but only worth it if you have aftermarket cooling.