yea sbc (street boutique customs) has developed a metal channel that takes the place of the plastic tabs that break, hasnt been around long but seems to be helping many peoples window problems
the cv boots are replaceable, the replacement of them is well documented here
http://www.vehicross.info/forums/sho...t=cv+boot+cost
the joint itself must be rebuilt if allowed to turn without lubrication and filled with debris for too long
its not a certainty that it will happen either, there are members running 33s for years without any CV problems.. then there are others who have had CV boots tear after only a month or two of lifting but looking at that link you can fix it for 36 bucks and a weekend