Just ran my first race a few nights ago. I was impressed with the way the Solstice handled in comparison to other sims I have raced. It's going to take some getting used to though with how races and qualifying are done. If you're a member, post your real name as a reply to this thread.
If you know of any professional drivers in iRacing, post those too.
So far I've seen:
Dale Earnhardt Jr
AJ Almindinger
Tonis Kasemets
William Power
AJ Foyt IV