Sorry, I have left this thread unattended but I have a quick update I want to provide:
Put a Steam S on my Babolat RDC today. Here are the specs:
Srtung with 4G at 57lbs.
Weight: 320 grams
Balance: approx 3.5 pts HL
Head Stringer @ the LTC, Babolat Star 4 Stringer