Although the full version is WELL worth the money for most common styles I found I was able to dial up a good tone with the Producer version rather easily unlike with GR4 Sonar. I found GR4 Sonar to be next to useless for what I was doing. It had some okay rock sounds but I could never get MY tone(s) out of it so I upped to GR5 which was a lot better but still not nearly as good as TH2 IMO.
So I'd say even if you have to wait a little bit for an offer through the Cake store poke around at TH2 Producer. It's likely you'll be able to get where you want unless you are looking to do some crazy out there effects. Also we got a bunch of free presets last winter. Not sure if those got dumped right into the current version or if even still available but you might want to check your account or get a hold of Cake/Overloud to see if they are available.
Cheers.