F1 or Midi Fighter or Lemur - Best Option?

I currently have an S4, but looking to expand to best use the remix decks in Traktor 2.5. I also have an iPad that is begging to be used (I have TouchOSC on it, but I simply don't have the knowledge base, or time, to create a layout and then map it properly - so I'd need an existing template to upload to it).

The F1 shows some really cool functionality, BUT it seems like Lemur could do about 90% (or more) of what it does. I have seen an article on Traktor Bible about a Lemur F1-type mapping/layout.

The Midi Fighter also seems to hold a lot of promise. I saw that they are creating a Remix Deck mapping for the Midi Fighter 3D, but they haven't released it in the time frame they said (seems to be a recurring theme, e.g. S4 DJTT mapping update, anyone, anyone, Bueller, Bueller,...). Haven't heard about any Remix Deck mappings for the Midi Fighter Pro, let me know if otherwise.

So here is my question, which do you all believe holds more promise and versatility: F1, Midi Fighter 3D/Pro or Lemur w/ Remix Deck mapping?

I'm also considering getting the Lemur mapping and augmenting with a Midi Fighter 3D or Pro - just want to know what you guys believe. I'm not concerned with what looks cool (they all look cool), I want the must functionality and bang for my buck (F1 and Midi Fighter cost about the same anyway).