Chuck, my Powerflow catcher works like a champ and there's no leaf blowout whatsoever. In fact, it tends to chop up the dried leaves and makes great mulch. Now, there is a little known JD option that costs about $80 and I think it's called the "leaf catcher" or something like that. It's just 3 or 4 metal baffles that simply bolt onto the underside of the mower deck lip to minimize leaf blowout. My dealer had never seen this kit and said he thought it would be a waste of money. Well, I'd gladly pay $80 to help with the fall leaf clean up duties. This kit, along with the PowerFlow, does an amazing job wtih lawn leaves. Now, since I practically live in a forest, I also have the Cyclone Rake XL attached to my ancient Cub Cadet. I only use it to suck leaves out of huge flower beds and a massive drainage easement running across the front of my property which leads to a large storm drain. I use the hose attachment only so it's like a giant outdoor shop vac.