1911 is my primary weapon.
I know you didn't ask for 1911 advice, but in case you're new to 1911's I'll offer some...
Great weapon if you use it alot and prove its reliability. Unreliable 1911's are not uncommon. Usually feeding problems, especially with cheaper 1911's. FMJ ammo feeds best. Buy only high quality mags, either Chip Mccormick or Wilson Combat. Shoot the gun alot! Any feeding problems after a few hundresd rounds is unacceptable in a sd gun. Get it to a gunsmith if you have any ftl or fte (fail to load or eject). I dont recommend 1911's for people that do not want to shoot alot, because you have to prove they are reliable, unlike most glocks and springfield xd's.
STATUS OF GUN:
If there is any chance a youngster could encounter the gun, I would not leave one in the chamber when not on your person. This could be neighbor kids, neices, grandchildren, etc. If there is no chance of those encounters, I would leave one in the pipe and cocked and locked!
The most important thing is consistency! Whatever you do, ALWAYS do it. That way in a panic or half asleep, you know automatically the condition of the gun and you do not have to guess.
I have 5 children, so I cannot leave loaded guns around. I carry a 1911 often. My ROUTINE is when I put it in my holster on my body, I load, cock and lock it. When I remove it from my person I ALWAYS unload it, and double check it is unloaded. I am consistent with this routine. I always know the status of my guns (even though you should always assume every gun is loaded).
Get a good sd book, and take a handgun class like GUNSITE - It will change your life!