The Holga is all about the images you get. I know that some people have multiple Holgas because each CAMERA can have a seperate look it gives the image. It isn't so much abut the equipment, but the aesthetic. Plus, if it dies, is lost, etc. who cares!
I have a friend who has a Holgaroid that she just carries with her to take random snaps with. The idea being she can always have a camera in her purse, and will always be ready when something interesting presents itself. Holgas are great for that.
Honestly, I suggest you buy one and try it. They really are fun.
PS - Also the image above is the best rated image of mine EVER. Go figure.