That's definitely something I appreciated in BG1; the "epic" stuff was not only truly rare/expensive, but they weren't overly better than the regular stuff. Plate mail +1, so cool! Since PE is supposed to be the first in a proper franchise, my hope is that the equipment approach is more "ordinay" similarly to BG1. But we know there are going to be a whole bunch of "epic" player-designed stuff, so I have to wonder...
Also, some people are comparing BG1 against BG2 and saying the latter is railroaded--no, DA:O was truly railroaded. The biggest difference between BG2 and the likes of DA:O is that in the former, nearly all the map areas outside of Athkatla proper (mainland above ground) were optional side quests--just deeper, longer-running and divergent side quests with initial ungating quests, but still optional for exploration nonetheless. I don't remember optional exploration maps at all in DA:O besides companion quests because there were so few side quests in general. So something between BG1 (low-density dialogue encounters lacking any sense or depth) and BG2 (deeper side content but no low-density exploration) would certainly be the best of both worlds for me.
You are right that BG2 areas were optional, but the issue with them is that they were only unlockable if you accepted a quest. You couldn't just wander into an area just because you were exploring the surroundings of the city. I think that's the issue that people were having with BG2. It wasn't too big of a deal because the game was amazing in every other way. I would also be happy with something in the middle of BG 1 and 2, but to be honest, I'd like it a bit closer to BG 1.