Man ... this line should be a dream come true, but honestly, I think the Bruce Timm style has been captured better before by DC itself. I have the Harley, the WW and the Superman pieces by DC and to me they look much closer to the source material (even though I like the poses and bases of Sideshow a lot better).
I think the Batman and Superman pieces look kinda okay, though not exactly amazing in terms of capturing BT's style, but the WW one looks really off to me.
For reference, here are the pieces I'm talking about
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I'm still interested in the BTAS series though. We'll see how the final results for Batman will come out and what other pieces in the line will look like. I'd absolutely would love for them to turn out great and to then add them to my collection!