As NAA says...
You will also find that if you are firing live ammo and have good finger technique, when you release the trigger after firing.. you will feel it reset without having to let the trigger go all the way forward to its origional position.
Another trick is that when your slide is all the way back and you insert a new mag.. give the bottom of the new mag a "bump" ( magnum PI style) and the slide will close for you.. dont have to use the slide release.( just be absolutley sure you finger is off the trigger)
Glocks are far from the prettiest guns out there, but they are still my favorite.