I got the 9mm glock version recently. It's quite a fun gun and would do well for home defense IMHO. I expected some "breaking in pains" and got a few, but later a fellow on the kel-tec forums mentioned that sometimes federal ammo is underpowered for cycling the action especially in a new gun. Started using Winchester white box and haven't had a problem since.
It also fit's in my laptop case perfectly.