Not sure what you mean by "the Reynolds data mining website". We just recently signed up for Axcessa and we use DealerTrack DMS (which lacks in reporting compared to other DMS providers). We've only been live for a week now, but it's a truly awesome product so far! Since you already know what it does from the demo, I'd say the biggest benefit for me is that it saves me time (no more manual excel / calculations), which lets me focus on just the key metrics / data, and take action quicker.