The nosewheel RV's have poor reputation for nosewheel issue that can end in serious tears as this link shows..
Van's RV-7 (G-CDRM) Aircraft Pictures & Photos - AirTeamImages.com
Tailwheel RV's outnumber nose wheel versions by big numbers due to the latters issues on grass. If you like RV's and need to use it most of the time on grass then my advice would be get a Taildragger version.