hmm... what you mean by attack? its not solely about smashing that you are referring to right?.. if you are talking about smashing and all that violent stuff, you should look for a VTZF, but you may find it difficult to accelerate the tip of the racquet well enough to have a good touch when it comes to other shots..
if you used to AT racket, please give AT700 Premium 2012 a try. For me, it is better than AT900Power, VTZF and VTZF LTD as long as attacking is concerned. For other brand, i would like you to give a try on Lining N90 I. I have tried AT900PLC for couple of times, it is slightly better in attack than AT900P, not that much though.
Is AT700 heavier than AT900? What is difference of At900p and At900PLC? At900PLC is yellow colour one?
YES.. head heavier, better smashing. for intermediate and below players without sufficient training, the VTZF is harder to maneuver, so it could be not so good for defense and control, whilst the forehand and smashes are rock solid. for professional players with sufficient training and strength endurance, not so much issues with defense nor control for either racquet. i have both racquets and my backhand smash suffers with the VTZF because i cannot accelerate the tip of the racquet with a good snap without suffering some wrist strain.. no problems with AT900..
How many types of armotec900 are there? Is Armotec900 lee chong wei edition (yellow) same with normal armotec 900?
Seems to me you are more keen on racquet glamour than actual racquet specs to suit your game. IHMO, any racquet that carries the word LIMITED EDITION and some player's name or signatures are made for the guillible aka suckers !