Things that I like in Rock Band songs in general:
Variety (don't have any instrument just playing the same couple patterns the whole song)
Cool Guitar and drum solos (don't have to be stupidly difficult, but should be varied and interesting)
Guitar and drum parts that feel like solos even when you're not playing a solo
Things that I like about Ron Wasserman songs:
Catchy guitar riffs
Very catchy, fun choruses (The Power Rangers Theme and Revengers in particular)
So something with the union of these things. It should have all of the things that make Ronn Wasserman songs great, but maybe be a bit more solo-ey and with the drums being a bit more complex.
Ron's good at coming up with catchy, cool sounding guitar riffs. If he can make some that work particularly well for Rock Band, that would be awesome. Personally, I think Less Talk More Rokk is sort of the gold standard of awesome rhythm game guitar riffs. It has a cool and catchy sound, just the right level of challenge, and is so fun to play that the song's really enjoyable even though you spend most of it playing riff.
Ron is also good at coming up with really cool, energetic choruses. I'm not sure what the right way to describe it is, but I think you probably know what I mean. If Power Rangers somehow made it to Rock Band and you played it in a room full of people, everyone would sing along with the chorus (if they don't, you need to play Rock Band with cooler people). This doesn't happen with Revengers just because no one's heard the song, but I think it has the same quality. I think this song should also have the quality.
And then there's the guitar and drum solos. Personally, I'm okay if they're not finger-breakingly difficult as long as they're still fun to play, but I'd say just have fun with these.