Great shoes.  I have been running in Adrenalines since I was a freshman in high school (2000).  I will never run in anything else.  I tried Nike and even Asics before finding the Adrenaline series, and ran into some injuries and knee pain.  I would never ever consider a different training partner! Brooks Adrenaline all the way.  This shoe molds to my foot like no other.  I have pretty flat feet and have what's called a pseudoarch.  These shoes provide great support and are light.