Hi tradingbug,
Welcome to T2W!
In answer to your question, yes - I do - and I like it a lot. However, I'm new to it and have only been working with it for little over a month, so I still have lots to learn. That said, I'm excited by its possibilities and it certainly seems to provide another window on price action that I've been largely unaware of until now. For anyone who trades futures and wants to harness the information contained in T&S, but can't handle figures flashing past at high speed, then cumulative delta is well worth investigating.
One thing worth pointing out to anyone who's interested in it is that it's essential to have pure, unbundled tick-by-tick data, as well as the appropriate charting software. For the former I use DTN.IQ and the latter I use Investor RT. It's a combo' that works very well.
There aren't many threads that discuss it in any detail here on T2W that I'm aware of, which surprises me a little given its potential. However, this recent article with
Chris Koozekanini of the Fulcrum Trader group provides some insights.
Tim.