Jim, do you have any lift in the front?

If you don't that is why they are still holding up.
I replaced the whole CV with a used one (it was in perfect condition, almost new) & have used the 4WD only couple of times (one was Uwharrie & the other two i got stuck in mud near the city).
What i'm trying to say is, they already look like they are gonna go in the near future & i've got manual hubs, so my CV's aren't turning unless i lock the hubs.

Haven't tried the boots myself, but have read a lot of good reviews all over the net (on other trucks, not isuzus).
Also knnowing Matt i dought he would sell anything other than a very good quality product.

rubo