Any letter from a college deserves merit but the excitment must be tempered by the fact that it is the very first step in the process.
BY definition a letter after July 1 of your JUnior year is a recruiting letter---it has nothing to do with visits scholarships etc--it is merely telling the player that the school has an interest in the player--how much interest? that will be determined as you go down the road.
TRhit