I worked with ADPro for a while - even used "Fred" which was a batch processor thingy for ADPRo. I'm not sure how many people really used that but I am One Of The Few.
When i first used IFX I realized the arexx scripts were way easier to make than anything I had done in ADPro.
yes, you had to learn the commands and figure out what did work and what didn't in a script, but it was worth the effort because once you Got It, it was golden!
and in IFX4.5 you don't Have to use autofx to batch, you can load up your sequence in the main buffer and run a script right there. Of course, this is best done with lots of memory - like when you have MOS or WinUAE or something rather than an Amiga without enough memory, but it CAN work.
yes, it can.
I have (and still) use AfterEffects and that program just rocks. It's for Pros, obviously. But it's too expensive for regular people. And I only have it because I'm In The Business.
It's main difference from IFX is bezier curves and keyframing Everything with realtime changes.
still, IFX is great. You can still do a LOT with it