Turbocharged...

[Astromic]

hey guys,
is there anyone know any article or site contains a detailed turbo installation(beside vwtrends) for the beetle, cuz i'm stuck in the middle now and have problems above my knowledge,,,...
my fuel pump, i will remover it from it's location to fit the oil support to the turbo, so i will go for a electrical one, what i should consider when i buy one, and how can i adjust it to feed the system propably,...
and i have 2 options in the turbo fiting, the draw-through and the blow-through, witch one is better, and what is the adv. and disadv. of both...
plz guy support me with infos or links, i know my question is alot but ur experts and u really know what ur talking about...
thank's...