Wow, thank you both so much, i didn't even think of that -- i appreciate the insight!
Using this i was also able to modify another major aspect of my game which brought my total collision checks down by half... Amazing! Thank you so so much.
One thing I cant quite determine is whether or not it's using the collision map or the actual sprite dimensions? From what it looks like, it's using the sprite dimensions, correct? So if it's a circle & not a square, the distance from the sprite in the top corner will be calculated according to the square sprite container, and not the actual circle sprite... Is that correct? It seems so..