I had an UZI(pistol), until I traded it straight across for a NIB Colt Woodsman.
UZI's are fine full auto weapons, but complete garbage in semi-auto only format. The pistol anyway. Maybe you can hold the carbine a bit more steady during firing.
The striker mechanism is massive, and makes for a forward clunker, everytime you pull the trigger. Thus, I think the gun's value is all in it's "coolness" or "taboo" factor. I'm not that kind of guy. I want a gun that works well for it's intended purpose in its current form. If my UZI had been a full auto, it probably would have been awesome.
I still wish I had the gun, but I doubt if I would be shooting it much. Maybe if I had a testosterone overdose and needed to act like a redneck.