Adam, I too prefer changing the engines motor oil when the oil is hot.
My El Cheapo withstands the elevated temperature experienced from hot motor oil.
I am not in trying to down grade the new kid on the block; there's just another way to do the same job.
Adam try:
http://home.earthlink.net/~asherson/Don
This may file your need.
Happy Trails Beep Beep from Houston!!!
Donald, El Cheapo