funny thing, my Manley Stingray with 40 watts drove my Maggie 1.6 in a livlier fashion than my Rogue M120 with 120 watts - go figure. Your VTL may do well, it is hard to say but I usually recommend 500 watts with tons of current for Maggies.
in case you have not done this - search the archives as this question has come up many times.
in case you have not done this - search the archives as this question has come up many times.