One other advantage to RadioShack is that if they are out of a particular radio you liked, they have many channels in which to get it, whether it's another store, online, or through their paper catalogue.
In 2005, Motorola issued a recall, but then retracted it saying that the issue with the Motorola 815 can be corrected in the Radioshack stores in which they were exclusive.
If name-brand isn't important to you, RadioShack carries their store brand two-way radios, which often run $20-$50 cheaper.
Radioshack: Typically not known for selling computers, it sometimes offers a few models for sale on Black Friday.
The phones, as shipped to Radioshack, did not have the EVDO capabilities as the phone advertised.