There's maybe a few songs out of the entire list that will make your brain hurt a little from the open note, especially once you start getting lots of purple HOPOs.
The vocals engine seems very unforgiving compared to RB, which may or may not be a good thing.
I still fail the star power tutorial for vocals (Doooo Siiii Do... )It seems they've toned down the difficulty a bit in general, but there are some that can be downright ridiculous without the touch strip in the new guitar. On the other hand, it might be considered "difficult" in that the amount of cash you get at the end is based more on holding a note streak. Simply passing the song or even hitting a high note percentage does not confer much in-game cash.
I've been holding off on the drums as well... I really want to get the GH:WT set because of the extra note (the way WT is meant to be played), but perhaps I've been jaded about new hardware production and manufacturing issues and decided to wait; there appeared to be some issues with the drum pads and poor soldering in the initial batch too, but I imagine they fixed that by now.
The other thing holding me back (besides the lack of a drum-only SKU) is that the step pedal only has grip pads on the bottom versus the bar attachment ala RB drums. I get the impression that doesn't work well on a carpeted surface, which is where I'd be playing 100% of the time.
*sigh* I may have to wait for v2.0, when they get it right. Or maybe Harmonix will have official support for an extra note sometime (I don't have RB drums either). The disparity in hardware features is annoying. :|
