I dont know if its the best,but I had good luck with a TCI frontend.Only problem that I had was solved with an E mail to customer service,and that was what power steering pump to use with the R&P setup.
I used a subframe from Flatout Engineering that uses Corvette C4 front suspension componets. They are readily available and are made from forged aluminum, so they are very light. It also uses the C4 rack and pinion and brakes.
