I've sold a couple that I've ended up replacing. One that sticks out is a Kimber Pro Carry II, which unbeknownst to me was my wife's favorite handgun at the time.
Not sold but traded away a "beretta" (umarex made) m9 in .22 to get a g44 since my two primary pistols (edc and nightstand) are glocks and i figured it would be better to stay on the platform for training/familiarity.
I havent had any problems with the g44 that other people have, but just not a big fan of it. It's still got value as just being a trainer/similar trigger/ operating gun to shoot it's no where near as accurate or fun to shoot as the m9. The accuracy is worse than the m9 and even noticeably worse than actually shooting a g19. There's also advantages to a da/sa trigger when firing .22.
Today was the 3rd time I buy an lcp, I had a taurus tcp previously. I always find myself needing a micro pistol, then hating it, then getting rid of it .