I found this interesting article that talks about the variety of ready positions and their alternatives.
After taking Paul Sharp's class at Rangemaster, I have become fond of the "Relaxed High Ready" position, and it works well in IDPA.
http://americancopmagazine.com/ready-positions/
Thoughts on ready positions for concealed carry? (If it is different for LEO's, that would be interesting to know as well.)
Cody