I've never shot a wedding believe it or not(at least with external miking). I was considering buying this (WR22-LL) dual lapel system for $350 at
http://www.videoguys.com/azden.htm#wmspro
when I asked myself "where would the bride put the transmitter?!" It might kinda stand out against a white dress huh? Maybe just one omni lav on the groom would suffice?
TIA,
Randy