I don't know how you define cheap, but here's a few vendors of vivs with glass doors...
http://www.boaphileplastics.com/
http://www.animalplastics.com/
http://www.reptilebasics.com/2x4-Cages-p-1-c-302.html
http://npicages.com/
http://www.freedombreeder.com/euro-d...lay-cages.html
You can also build your own, of course![]()
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