> Some of them are bery cool, but some suck.
> As the Imperial best groud unit you should make a
> triple-barreled heavy tank with 2 AA gattleing guns.

Roll in the suggestions. I might make that although the current front runner in the Imperial arsenal is the 'Mono-crawler' MBT. It has a single track with cannon mounted on two seperate turrets, one each side.
http://abscnc.sourceforge.net/haydn/concept_art18.html