Hey Nick, I purchased Navman instruments for my M23 last winter and installed them last spring. I have been very happy with their performance. They have been discounted greatly as well. Just a suggestion. Nice to have options. Bones ____________________________________________________________ Is your bra causing you pain? Click here to find a bra that fits right. http://thirdpartyoffers.juno.com/TGL2141/fc/PnY6rw2mikM69yxcDitAdXjQUN9NOdbb...