Willard, still footlocking? 
Yep still footlocking. Over the last 10 yrs I have tried various ascenders but ended up giving them away to other climbers who figured they needed them.
I will admit, in year one I used 2 Petzl hand ascenders so I could concentrate better on my feet. When I caught on good with the foot wrapping I ditched the Petzls. Just 2 less things to mess around with and carry on the saddle.
When your redirecting and moving around pruning a big hardwood footlocking comes in real handy and instantaneous, time and safety is gained not lost when monkeying around with ascenders.
10 yrs ago in my 1st course, instructer-owner Dwayne Neustator of ArborMaster Canada [ now North American Training /Arboriculture Canada] showed the class how to footlock climb 40' into an elm on static rope in 15 seconds. Immediately while up there he pruned out some deadwood for us. I was amazed. Good motivation.
Willard.