My indestructable Cube has finally begun showing its age and evidence of its wounds. I've carried the thing through dust storms and snowstorms, and perhaps dropped it down rocky slopes once too often. I can live with the cosmetics and misaligned levels, but the gears have begun to act like my knees. In fact, it has become a pain to use. Before I replace it (which would be my third Cube), I'm wondering if there is a place that refurbishes this piece of equipment, a kind of CLA? This is getting expensive. Any advice would be appreciated.