YLL, you should check out the "Super Pet Deluxe Multi-Floor Ferret Cage". It's what I have for my ratties. It stands 58"H x 32"L X 20"W. It's also only $150 after shipping. I have it for my rats, and it's FANTASTIC!

http://www.petsmart.com/small%5Fanim...t%5F8587.shtml