Hello
I have had 3 hamster and 5 mice. We've used plastic cages with the tubing attachments, cages with bars, and glass aquariums. Aquariums are by far the best choice for both you and your pet.
As long as it has a lid, the tanks are virtually escape proof. They are easy to clean, and spacious which means plenty of room for toys!
While plastic cages with tubes and other add ons look fun, they were not good for my hamsters. They chewed on the plastic edging, which caused sharp corners that would literally cut them. They are also easy to escape from and more difficult to clean. Plus, the parts will need to be replaced once your pet chews them (and it will).
Bar cages aren't very good either. Many people get cages with bars not close enough together, or too close! This will cause pets to easily escape (through wide spaces) and even get their little feet stuck! (in small spaces)
Some people say tanks are bad, but as long as it is cleaned regularly, contains the right toys and equipment, is big enough for your pet, and contains a screen lid, your pet will be fine. Tanks make the best choice for rodents of all types and sizes.
If you have any questions (cage related or otherwise!) I would be glad to help some more. My email is on my page.
Good Luck =]