My opinion is that the BLT would be the better buy if your not looking to reserve either the AKV Value or Concierge.
If you go to WDW and don't have a car, the option of getting on a Monorail and visit other resort restaurants is great. At AKV you much less selections and must ride a bus to get (sometimes more than 1 leg, for example to eat at Poly would need to take bus to MK then ride Monorail to get to Poly) the restaurant
If you go to WDW and don't have a car, the option of getting on a Monorail and visit other resort restaurants is great. At AKV you much less selections and must ride a bus to get (sometimes more than 1 leg, for example to eat at Poly would need to take bus to MK then ride Monorail to get to Poly) the restaurant