Eh, knew I'd forgotten something!
You're basically trying to rotate yourself around your hips on your TT bike. You end up being in pretty much the same position (angle-wise) as in the drops on your S-Works, however you're rotated foward.
Example: You take a picture of you on your bike and print it out. Cut you out along your lines. Then stick your picture to a corkboard with a pin right through your hip. Now push your head down, thus raising your butt a bit, pushing your legs back, and lowering your shoulders. Duplicate this in real life on your new TT bike. Voila, you're more aero and you haven't lost a watt!
Cole