Mainly I want to fit one of these nice shiny things with adjustable fuel pressure.
http://www.summitracing.com/parts/AEI-13159/
And I want to change how the fuel feed and return lines connect to the fuel rails so it is done under the plenum or down behind. Then polish the lot.
Definately can mod the original ones pretty easily, I just prefer not to hack into stock LT5 parts if I can avoid it. Looking at the cost of second hand Lt5 fuel rails if I want a spare set to play with, they are similar price to these aftermarket ones.