yes, its expensive....but you get what you pay for.
I didn't attempt to fit it myself, because when playing....i want to be sure it is fitted 100% correctly. I also got the Fender locking tuners with it, just to have some locking, but not really needed.
This item has made me fall in love with my strat again, we play classic rock and before fitting this i would spend half the night tuning after using the original tremolo. The Vegatrem has changed all that.
Its as good as any Floyd Rose, and the fact you can return the strat to its original state is a bonus.
Buy it and try it.....you will not be disappointed.
I bought a 2nd one for for other Strat already.