If you like the MLs then you like them. Don't let someone else attempt to dictate what you might like. Plus the MLs are available to you locally. Your wife likes them. Why not go with them? I demoed some Motion series speakers a while ago and they did sound very nice to me.
Klipsch RF-62II, RC-500, RS-400, SVS PC12+,
Def Tech SC8000
Harman Kardon AVR 1600
PS3, Apple TV, Sharp 70" Qattron