ok this is my first post here. so dont beat me up for being a noob. i want to pick up a filco tenkeyless off of craigslist. the guy selling it says the up arrow key gets stuck sometimes, like when u release the key it doesnt pop up as fast as it should. i wanted to know if you guys have seen this and is it an easy fix. should i pick it up and try to fix it or stay clear. thanks