I made the move to a high end radio this year. I had always used mid ranged radios like the DX 2.0. They worked great but as my driving improved I wanted more of a precise radio and features like expo. I bought a DX3R and love it. So if you don't feel you need a high end radio then you don't. But if you feel you need one then get one. There are guys at my track who are as fast and faster than me that use mid range radios...so a high end radio won't make you faster, but it will give you more options for your setup.