The A30 & A35 use the same Anchor Bay VRS ABT1018 chip for up-conversion. The A3 uses a lower end chip. I have the A35 and love it! Seeing the TRUHD and DTSHD MSTR (bitstreaming via A35, not on A30) lights light up on my Onkyo 605 receiver, priceless!, also the A35 allows for Deep Color support...