I’ve been looking at both AAA and AA lights as an EDC. Still didn’t bite the bullet though, but here are my recommendations.
As for the AAA light, I would recommend either an Thrunite Ti2 or Olight i3s. Of these 2 I think I would prefer the Olight, more modes and starts on medium.
As for the AA light, the ones I was looking at you can see here: comment #25
Where 3 were on the top of the list: Nitecore EA1, Sunwayman S10A and Olight i2. The EA1 and S10A have great modes and light output, whereas the i2 has great value for money. It is $16 with a coupon at banggood.
Maybe instead of an AA light you could get an 18650 light, but that does come with the extra cost of batteries and charger. But a (Convoy) C8 or S2/3/4, good protected 18650 an decent 1 or 2 bay charger should set you back a around $40. And it will provide you at least triple the lumens and throw then the streamlight would. But it is bigger and you would not be able to get to use those stocked AA batteries.