I do! If you get them, go to cavycages.com for tons of great info, and easy how-tos for GREAT cheap cages that give them all the room they need, and are easier to keep clean than those tiny petshop cages.
Word to the wise: They multiply like crazy! If I remember correctly, the male can reimpregnate the female right after birth...and the baby boys can impregnate her at two weeks!
Definitely get ready to do some separating, or you'll be over-run before you know it!