Well mine's lasted for 5 years with no problems so far, mind you it's only been used about 30 times in those 5 years ;-)
It does tend to get used to suck leaves out of car engine bays, suck up bits of wallpaper stripping, plaster I've chipped off the walls, the yearly invasion of crickets etc etc, it's handled it all OK so far.
Jesus H, anyone who spends a grand on a vacuum cleaner needs urgent help!