Keep in mind that just because it's the same staff doesn't mean the game will be the same. There is of course a chance that they will be given time to pull off something of much higher quality and coherence than PoR. And PoR wasn't a bad game anyway. It kept me entertained for several months solid, and I'd probably play it again before I'd consider playing DoS Soma mode. So in that respect it was an improvement.
It also had some cool ideas that need to be kept and improved upon in future executions. Chiefly, areas outside of the castle. I'd prefer these to be implemented as the traditional wandering through the Romanian countryside to get to the castle, rather than areas you continually leave the castle to visit. The quests were awesome. Also, the ability to power up your subweapons simply by using them was cool.
Things we can do without are tag team play (that's been done twice now, let's not make it a series requirement), recycled areas, the uninspiring castle layout, bosses that are just cheap instead of difficult (throwing spiked walls at you is just cheap, I don't care what anybody says), and of course, having to see/use those SotN enemies and DoS weapons for the umpteenth time.
So there are good things and bad things. I will give them the benefit of the doubt for now and wait to see if they can improve upon their previous efforts.