I haven't shot the YHM 9mm suppressor so I can't give you a review of it. A friend of mine has an EVO-9 and it works well.
The one piece of advice I could give is that you're essentially married to the suppressor for life so you should get a good one, not a cheap one.
IMO, a suppressed .22LR pistol is more fun and useful than a 9mm.
I run the Tactical Solutions Ruger upper with our "short" .22 can