The upscales of part 1 are excellent. A great set to choose for upscaling.
However it looks like Photoshop is having difficulties with the lower resolution of the originals from part 2. Topaz seems a bit better able to deal with them, particularly around the eyes.
Here are the two versions of sylvia_saint_vs031 for comparison:
Photoshop
Topaz
The vampire nun's hands are also a bit weird in the Photoshop version.