I gave my sister a MVP2 recently to get off of analogs and it's been working great. But I know once they die, they just have to be replaced. When that happens, I am going to have to replace it for her and cannot wait on USPS/UPS to deliver because she'll need it right away. The local B&M has MVP2's for $80, which isn't completely unreasonable...I know they want to make a profit. But they also have Nemesis mech clones for $45 and AW batteries for under $10. What's the life of a mech? Is it solely dependent upon the life of the battery? I know it's just a battery tube, but with a fire button. I just want something reliable and affordable where batteries can be replaced so that the whole piece isn't junk when it finally dies. Any suggestions?