I'm not saying the c-clip emliminators are the BEST answer, but a decent alternative. The Ford ends are BY FAR the best way to go but, it seems every time c-clip eliminators are mentioned, all these horror stories pop up.
Fact of the matter is, people complain more than they praise. This is a fact...if something good happens, a person will tell one or two people. If something BAD happens, they tell EVERYONE.
Oddly enough, most of the complaints come as second hand info. There are plenty of people using the eliminators successfully in all types of cars...the ones that have problems are the ones you hear from the most though because bitching is more fun than praising.
As far as the bearings going out at low mileage - so what. They are so easy to change it's ridiculous. With parts in hand, it would be a 40 minute job.
If MINE leak, it will be from the axle seal, not the bearing housing. Like I said before, alot of it is in the install and most people don't take the time to do it right (even the "professionals"). When I did mine, I took approx 16 hours to do it. WHY? because EVERYTHING was checked and fitted correctly, no short cuts or quick alternatives...not doing them the way I did it, it's a 2 hour job (if that).