I'm absolutely sure that Sideshow knew about this before any of us did but the fact is that it will draw a line in the sand between HT and SSC in terms of these two particular film licenses. If a SSC Captain America Avengers PF is $350 and a 1:4 HT Captain America Avengers figure is $275 then it's a no brainer. Even Enterbay's pricing of the T-800 is comparable to the price of a PF so I don't see HT going higher than that at first, in fact I wouldn't be shocked if the first few releases were "affordable" in order to build a base of customers.
With DC it looks like it'll be Sideshow focusing on the Comic side with HT focusing on the film side. I wonder if that is where we'll start to see things heading for Marvel as well and if this will eventually mean that we might see Sideshow making comic versions of the Marvel heroes in 1:6.
This isn't necessarily a bad thing but the possibilities for HT to corner this market is outstanding. Imagine a TT in 1:4? The idea that you could kit bash something in that scale? The Marty McFlys, House, Dexters, done in that scale? Imagine if they released a TT and a "Man suit" with their Iron Man Mark VII? You could have a 1:4 Iron Man and a 1:4 Tony Stark bashed theoretically for the price of one PF.