I bought a SOLO earlier this year and am extremely happy with it. Other shooters used it, got hooked, and bought their own e-targets. Several of them got ShotMarker targets and after shooting with them both side by side there really is no difference worth quibbling about. Several of us want to have enough e-targets to conduct matches on next year. I want to sell my Solo and buy a ShotMarker so it will be compatible. That is the only reason it is for sale. So: Silver Mountain SOLO electronic target system complete with an extra set of brackets and cables. $750 shipped. Now $700.