Glock 26 Gen 3. Over 4000 rounds without a single malfunction. Fits my hand like I grew it there.
My G19 was equally reliable, but it never fit my hand quite right (reason why it is my ex-G19).
My Ruger Mark II is also a dream. Hasn't got the round count that my Ruger Standard had (close to 30K) but it is creeping up on 10K. The Ruger Standard (no mark) is still going strong, I just sold it to a friend.
Guys! Guys! He's down! Stop kicking him! If he shows up on another thread, Tasers are indicated, but for now, let him slink off into the shadows to lick his wounds and ponder how deeply cool and misunderstood he is!