I don't have one unfortunately, though I have used one a couple times, and I find it to be worlds better than a mouse. Mostly for painting textures, and certain modeling tasks, where I'll be tweaking a lot of points one at a time.

It is a lot of personal preference tho, like everyone has said. I know some people go so far as using them to browse the net, while others won't use them beyond painting, and some people never warm up to them.

Definately try one if you can, or look for a company that offers a return policy. I think Wacom has a 30 day money back deal, I'm not certain, you'd have to check their site to be sure.

Core i7 950@3.02GHz | 12GB Corsair Dominator Ram@1600mHz | 2GB Geforce GTX 660

Lightwave | Blender | Marmoset | GIMP | Krita