My boss and I bought them and they work really well on the open channels even in the middle of the city. I really need to get my HAM license so I can use more than 5 channels.
Matt, if you are able to 'open' the Tx you should be able to use the MURS frequencies which are VHF and on UHF you can also use the FRMS and GMRS frequencies without a ham license. That's about 20 frequencies. These are also much better than CB and in a group the ham users can also get these frequencies. GMRS requires a license but it is just a fee, no test, although rarely does anyone actually get one.
You can also get the business frequencies that are used by the old Motorola 'dot' radios (like the red dot, blue dot, etc.). Technically these need to be licensed and you should stay off frequencies being used, but if you are smart about it should not be a problem and it is generally easy to find frequencies not in use. I use these for job site communication all the time without issue. UHF works better in buildings.

