I'm thinking about getting a tiny BUG, and these guns looked good. Any opinions? Experiences?

I own both the .32 and .380 models and loved them both.  The .32 is a bit smaller and fits better in the back pocket of your jeans if you prefer to carry it that way.  The .380 is a bit larger and will hold open the top of your jean pocket enough that someone could notice you are carrying.

Both are very sturdy, well made guns and you can't go wrong with either of them.  Much higher quality than my Kel-Tecs.

I have shot the NAA 32 several times.  It is the one with the 380 cartridge necked down to the 32 bullet.  It is double action only, about a 15 lb trigger, no slidelock, tiny sights, and high recoil.  Fun to shoot and accurate enough at the distances it would be needed, but hard to hold with the normal mag.  I prefer it with the mag with the extended buttplate.  It is high quality and IMHO would fulfill its purpose.

Had a NAA32 and just didnt like the feel at all. I have a Kel-Tec P-32 now and LOVE it. All my buddies have one now, and love them. The Kel-Tec is not quite the looker of the NAA, but it is cheaper and reliable.  

I carry my NAA Guardian almost daily.  Mine is in .32ACP and it's about as big as I can conceal comfortably in my pocket.

While I have had a couple of problems with it over the years (drawbar spring broke from excessive dry-firing), I would chose one again over a Seecamp or Keltec.  (NAA customer service is great).