I've read a few reviews on Amazon and a few other pages about prefilled and pre-bled master cylinder assemblies and the price difference is outrageous. my question is; is it worth spending the money or should I just buy a standard master cylinder? I keep reading it's a nightmare trying to get all the air out of the new one versus the prefilled assembly being a breeze but that 106 dollar price tag is a big deterrent. Any body got a few words of wisdom for me. I've never done any clutch work, especially changing out the master cylinder in particular. any advice would be greatly appreciated.