Webers look great on almost any car. When you see them on a Cobra, they make you drool.
BUT... if you don't know how to tune them, it can be a nightmare. It's expensive, too. You need 8 set of jets, 8 choke tube, 8 emuslion tubes..... You get the idea.
OTOH, there are a few really good 8 stack EFI systems available for about the same money. Much easier and a whole lot cheaper to tune. Self adjusting for for temperature and altitude. Closed loop operation. Work well with radical cams. Look spectacular.
Newer computers like Redline and BigStuff3 are self tuning. No need for dyno time.
This is my Momar EFI system.