Originally Posted by datlas

I was talking to mrs datlas about the Garmin Varia radar and how a lot of cyclists I know are using it. She actually suggested I go ahead and get one.

Only question is do I get the RTL510 for $150 or the RTL515 for $200. DCRainmaker says the main benefits are the newer device has bluetooth and maybe a couple extra modes but really not much of a difference so I am inclined to get the 510.

Should I start a thread? With a poll???