I just bought a bunch of stuff from these guys...
http://www.bethel-marine.com and was very pleased.
502 was part of it.
http://www.bethel-marine.com/Icom_VHFRadio3A.htm
I was also considering the standard spectrum +..you get a few more features for the $ (stuff like a hailer option and a larger LCD readout.) I ended up going for the icom only because i like the rugged looks of the unit. The 602 comes with all the goodies but the there is a big price jump. Also got a good 8' antenna....(looking for a 20 mile range) For the most part all of these VHF units are pretty close in that they all have the same watt transmit and will all do a decent job. Some have a few features the others don't and some have a differnt water-proof rating. The 502 is a couple/few years old but has gotten great reviews from several magizines.
the 602 is Icom's top of the line in vhf.
The icom units are noticable larger then some of the others as well.
That brokenlegdave fellow will give you a cusom quote on multiple units. Give or take a few bucks...they are all about the same.
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