The Rustler 10 is a more playful, softer flexing ski, and at your size, even more so. As long as you are a slower to low medium speed skier,
these would work, and their playfulness would be enjoyable.
The Enforcer 104s have the ability to be looser and more playful than the Mantra 102s, as well as having good edgehold,
but not as exceptional edgehold and carve flex as the 102s. Since you are bigger, and would flex the ski more easily,
the 104s would probably not manifest the one problem many folks have with them, that is, that they can feel heavy and
awkward in more difficult crud and in low visibility situations at times.
The Volkl Mantra 102s are just an exceptional all around, daily driver kind of ski, to many: exceptional stability, range of speed,
ease of handling for such a strong crud buster and carver, and with no speed limit. Their one weakness is they have little to no real float
for a ski of that width - good but forgiving carve and crud busting chosen over float, in this case.
If you also have a powder/crud ski, and want that strong daily driver, this would probably be no problem.
The longer length especially of the 102 might be this way for a guy as big as you; but the next shorter size would probably be best
if you are a tree, off piste and mogul skier and thus want to make a lot of turns often; also, this second length might be best for those
"in between" sized turns, as opposed to fast longer turn charging as a frequent or usual, "go to" option.
P.S. The 102s lack the exceptional playfulness of the first two skis, the ones you mentioned liking, though they are surprisingly easy and forgiving
to ski, and thus have a bit of playfulness, for a skier used to carving.