The MAC one is $35. It's alright but I don't <3 the MAC label all over it (it's in 2 places, but still)...Alcone has one that is exactly like the MAC one but without the branding.
MUD has one, but I don't like it at all. It's canvas so it doesn't seem to be as sturdy (but I think it's washable, so that my be a plus)
The UD one is pretty, but I've never actually seen it in person, but I may check it out cause the belt is bigger so us fat chicks can wear it on our hips.