The new 799 heads look like a very nice upgrade from the 241s. I am also not losing anything with valve weight considering the 241s are solid valves as well.

Just wanted to show a comparison of the combustion chamber to those who may not have seen it before.

In the 799s they unshrouded the backside of the valves, tightened up the combustion chamber, and smoothened around the spark plug insert. I am unsure if there are more flow minded changes like short radius, etc. I just couldn't tell. Anyways, here are the pics of the heads, 1 is the 241 and 2 is the 799/243