I have a 7000 love the thing to death nice color screen with all the most used buttons immediately on either side of the display, it very covent and intuitive , they really made a mess of a great rig when they did the 7100.
I have known a lot of pigs and lipstick doesn't help, same deal with the 51a and 5100a cheap monochrome display that is gray on gray they don't have the contrast ability to make the text black with a grey background and what kind of a bone head move the 5100a was with a 600 buck rig that everything you need like Radio Mounts and such is an expensive option, back on the rig your thinking of I would actually say save your bucks.