Paragraphs, please... paragraphs!!
lol, but in all seriousness, I have a Das & Leopold, and if I could point you to something: unless you like the look of the das, I would probably get the leopold. The Leopold feels a little more sturdier than the Das, but all in all they're both great keyboards. Their main difference being looks & stabilizers. Though buying a used Das would probably save you some money if you could find one (and be a good intro keyboard), since people don't try too hardcore to collect them like they would filcos. Before you pick between these two though, just make sure to double check what kind of stabilizers you would like, cherry stabilizers like the Leopold or the Costar ones in Filcos & Das, etc.
The reason people don't like the cherry stabilizers is because, in my opinion, it takes away from the "mx switch" & tactile feel that the normal keys (I use MX Brown) have, in return for making the key much more stable than costar ones, thus complaints about it's "mushiness". It makes sense, since a lot of people buy mechanical keyboards for that mechanical switch feel, so in some sense it is pointless to reduce that level of interest. Personally I like both of them, and they both have their ups and downs.
If you play FPS more-so then RTS, I would look more into browns or reds (blacks if you don't mind using the keyboard solely for heavy gaming).
