I love my ThermalTake Tsunami Dream Case. I have the one withOUT the window, as I like a sleek look. It only takes a flip of the wrist to look inside it. I dont like alot of bling on my comp, but if you do, they make one with a window ect that has a blue-led fan on the panel.
Cools great, has plenty of room (even holds a 500w PSU np), has the option of connecting firewire, usb, and sound devices to the top of your comp (great if you have yours down to the side instead of on top of your desk). Has 2 x 120mm fans that are fairly quiet with a nice easy to clean filter in front of the intake fan.
It has VERY easy to remove HD and Bay cages as well as 5.25" drive guides that make installing and removing devices incredibly easy. There aren't even screws to hold the top of your PCI/AGP cards, you just install, and flip down the clip that holds it in place.
Completely tool-less design with one exception: HD's need to be installed with a screwdriver. They use rubber washers which is GREAT as it makes things alot quieter, and protects the drives better, but that means you need some extra torque to really get the thumb-screws all the way down.
You can also lock the frong of the case, as well as the side panel (which also has an optional security alarm you can attatch to your mobo if you hit up a lan party and want to know if you got any jabroni's trying to tap into your case while you grab your 17th mtn. dew).
I have 2 of these. They are great. Here are a few reviews so you can see the case up close ect:
http://www.techtastic.ca/reviews3/tsunami.html
http://www.bjorn3d.com/read.php?cID=661