If you have a ATX mobo this is a great case for cheap price!

http://www.newegg.com/Product/Product.asp?Item=N82E16811147020

Features:
1X optional Rear 80mm or 92mm Fan, 1X optional Front 80mm or 92mm Fan, 1 X 80mm Power Fans, side Air duct with PCI-E Vent
Front Panel: Power On/Off button
System Reset button
Power LED
Hard drive activity LED

Price:
$44.36 ( with shipping )

This case is very strong and could last along time, I hope you find this deal helpful :)