I've often wondered why Weber didn't have some sort of one-touch cleaning system for their smokers to remove excess ash buildup. Maybe it's not a good idea introducing more ways for outside air to seep in.
I haven't noticed any difference in my burn times with the new KBB and you can't beat the price when it's on sale.
I'll give 'em a try ASAP. I hear the Walmart brand of coals is made by Royal Oak.
Here's an answer from Mike Durso, the engineer that designed the 22.5" WSM while working at Weber.
http://tvwbb.com/showthread.php?531...uld-you-buy-it&p=595445&viewfull=1#post595445