Wow...just checking in again and everyone has added a lot of great information.
My rundown on our specific guns:
We had a Glock 22 .40 cal, but sold it because we both HATED that gun. Glocks have the reputation for being extremely durable. You could drag them behind your truck, kick them around in the mud, wipe them off and they will still fire. But we both hated it. Neither one of us like .40's because they are damn uncomfortable to shoot compared to our other calibers. We hate the super-poppy kick that they have. So the glock has a new home.
I had a Sig Sauer P232 which is a .380. Really really nice little firearm for a woman for conceal carry. Small, lightweight, extremely well made, attractive....but I sold it too because as it turns out I like loud bangs. It's .45 for me all the way. Here is a link to the P232:
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My conceal carry that I use is a Kimber Ultra Carry II. It's a 1911 which is my all time favorite and I'll probably own nothing but 1911's ever again. It's in a small frame to accomodate conceal carry by someone my size. Here is a link to it:
Kimber - Continuing The Legacy
Donnie has a Sig Sauer P226 in a 9mm. This thing shoots like BUTTER, it is SO smooth and nice to shoot. The grip used to fit me until we put Hogue grips on it, now the grip is too large for my hands to be ideal. I still shoot it and enjoy it, but it definitely fits Donnie better than me. I really like the feel of a 9mm, but as others have said IMO they are pretty penetrating rounds and can pass right through the target pretty cleanly. What you want is a mushrooming affect instead. Here is a link to it:
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We also have a Kimber TLE/RL II. This thing is SWEET. It's another 1911, but in a full size frame. If you can handle a .45, I HIGHLY recommend you go pick one up
Kimber - Continuing The Legacy This is the most luxurious, accurate and fun gun. It's my favorite in the house. Too big for me to conceal carry however.
Donnie's shotgun is a Remington 870 Magnum Express 12 ga w/18" barrel and knoxx spec ops stock. Donnie says it feels great with the custom stock, I say it kicks like a *x@@%* mule. LOL AWESOME choice for home defense.
Our other stuff is for fun and doesn't really apply to this home defense discussion.