I haven't used market delta but i'm looking for something that provides what it does and is flexible .. imbalance charts in particular with all or most of the bells and whistles. But also the ability to add multiple volume profiles for different days ago and something that can draw important lines like ON hi/lo, ib hi/lo, poc, etc. So far I've narrowed it down to: Quite Possibly: Sierra Sierra Chart Advanced - seems like it is probably configurable enough to do everything i need. I like the idea that if my computer crashes I can run it from a backup. Quite Possibly: ATAS charts look good but I'm not sure if it can do everything I listed above. Possibly: TigerTrade haven't tried the demo yet so not really sure. Anyone have any comments? Possibly: Bookmap same as TigerTrade comments Maybe: Investor RT Investor/RT? - I really don't know about this it seems overpriced but I never tried the demo. But it probably also can do everything? Probably not: MC I tried multicharts briefly as a demo. Correct me if I'm wrong but the volume footprint type charts looked limited in nature and I'm not sure if it can do the other things I listed. Probably not: Ninja I probably want to stay away from ninjatrader because it can have performance issues with my system even though my hardware is pretty recent and I have loads of RAM. But if anyone has some suggestions as to good third party for it, I'll listen. Anything Else? anyone have any other good recommendations?