Well, I did grab that TEC-9 a few months back (OK, 5 months ago!) and finally got a chance to take it out to the range.
Honestly, it was a blast to shoot! With two magazines (60+ rounds), we had two malfunctions, one FTF and one FTE (a stovepipe). Both were early on in the first magazine, and the FTE was when my wife was shooting it (she was apprehensive at first, but loved shooting it!). For how cheap I got it, I'll keep it. I'd never use it as a self-defense weapon but it's such fun to shoot and so ghetto that there's no reason to get rid of it. I'm very happy...
Cheers! M2