You pretty much nailed it. The compactness is nice and makes moving the 94 around a bit easier (I like short rifles).
That being said, if I had bought a post-ban, I would stick with the A2 stock. The A3 looks cool but, IMHO, not enough so that it outweighs the compactness factor.
Also, if I could SBR my 94, I could live with an A2 stock. Losing 8" in barrel length would compensate for the length gained with the solid stock.