Really, really good stuff man.
I remember Super Pitfall being a favorite of mine back in the day....bugs, glitches and all...the whole idea of Pitfall being expanded to cover tons of screens on the superior NES (compared to the 2600 and Colecovision anyways) just blew me away.
I even put up with the "finding the items in weird places" thing, I enjoyed the game so much.
The graphical and animation work you have put into this is second to none and the game just looks simply fantastic.
If the sound can get redone, ok, but if not, no big deal....however, (and I didn't read every single post in this thread, so please forgive if I am posting a redundancy), if the bugs n glitches (falling through platforms, collision detection) can be fixed, you will have made this game damn near an ultimate version of Pitfall.
Keep up the good work and am very much looking forward to this.
In fact, I'm gonna go play through the original game a bit over the next couple weeks so that when I FINALLY play yours, I will feel like a kid who just got a new game under the Christmas tree all over again!!