why do you guy's like a turbo vs a centrif Supcharger?

What is the cheapest centrifugal supercharger available?
Plenty of guys running cheap ebay turbos and plumbing them for cheap....
I thing the man reason people are going turbo is cheaper and part of hot rodding,,,building your own....
Maybe after you finish your project you may have spend more than some super chargers but it maybe a pay as you go project as opposed to projects on hold till I can afford a super=charger.....
Making your headers...would be cool,with a lot of satisfaction that you did it yourself....Unless you are looking for a turbo kit mopar specific then it is the same or more than a super-charger....
HAVE FUN MAKE IT YOURSELF...GO TURBO!!!!!!!!!!

From what I have read a Turbo makes good sense on a stock engine and there is more than one way to build the turbo on the cheap.