Torn boots are part of the IM deal. They tear a lot more frequently than other cars, due to the forward placement of the engine (which "butterflies" the CV joints and boots). The CV joints themselves don't have an issue, but nobody's been able to find a decent boot.
The CV joints you've got are very likely German, but not original VW. Henry uses Lobro CV joints on VW transaxles, unless yours have been replaced (which I doubt).
You'll want to take everything apart to clean and grease it, and you'll see the stamping for the brand when you do. DO NOT REPLACE THEM WITH EMPI! I doubt you'll need to change them, but if you do, the German joints are still available- I wouldn't use anything else. Go ahead and use Empi for the boots. It won't matter anyhow, as everything tears after 20 k miles or so regardless.