Back in April developer From Software noted in regard to the PC version of RPG Dark Souls that it's inexperienced with the platform, which seems to be at least part of the reason it's going to be a "straight port". Two months later and two months ahead of launch, the situation hasn't really changed: producer Daisuke Uchiyama says they're crunching right now and "having a tough time".
"To be completely honest, we're having a tough time doing it due to our lack of experience and knowledge in terms of porting to PC. First we thought it would be a breeze, but it's turned out not to be the case. We're still developing right now - we're crunching right now.
"In Japan there's not much of a PC market and we haven't really taken into consideration that audience before. That's one of the reasons why we haven't been able to step up on the PC platform until now."
Worse, the framerate issues that sometimes plagued the console versions are still in, though perhaps the raw power of the PC and driver help from AMD and NVIDIA will alleviate them at least somewhat.
Now to figure out why two separate producers have been publicly commenting on how horrid their upcoming port is with no visible consequences from Namco...