stock caps http://postimg.org/image/4rjba43hl/
doubleshot http://postimg.org/image/slccyy7r1/
caps comparison http://postimg.org/image/by9fp0j8z/
F key http://postimg.org/image/ktqucnt11/
These are my first doubleshots, I am using them on my MX brown Majestouch 2. Other keyboards I have a is an IBM Model M, (too loud and too heavy to press for me) and a Zowie Celeritas (chattering gaming bitch).
Here the description of the seller which is true in all aspects.
"A full set of double shot keycaps for Cherry switched, German layout, Filco Majestouch keyboards.
A double shot keycap instead of having it's legend lasered or printed on to it, actually has the legend running through it like a stick of rock so it will never wear away.
This set contains every keycap for the full size 105 key German Majestouch keyboard and will fit a German Tenkeyless or any ISO 105/88 key Filco keyboard.
The keycaps are taller, more rounded and heavier then the standard Filco keycaps which will reduce the force needed to depress a key, the legends are also larger. Instead of having lumps on the home keys (F,J and keypad 5) this keyset's
home keys have a more concave top. These keycaps come with Filco stabilizers glued in place so will only fit Filco keyboards. "
In short my summary is: They look better (shape of cap, size of print) - they even sound better (but also a bit louder) - and lastly they feel better (a lot); all compared to the stock caps.
It took me a couple of minutes until I get used to the slipperiness/silkyness of the caps. Because of the heavier caps it takes a little bit less force to press the keys. In the beginning it was disturbing but after a while (5min) it feels really good. Overall the fact that caps are more solid and have a thicker sidewalls is very noticeable. However the
"play" is still there - so the caps wiggle a little bit if forced but that is not because of the stem or the cap - but because of the switch. Large keys like the spacebar or enter key (ISO) feel much better. Especially
those 2 where a bit flimsy on the stock caps. Something I do not use or does not work really well is the o-ring mod. Due
to the fact that the cap has no cross barriers on the inside on the top of the cap - the o-ring gets pushed up and has no counter to do its job - it would take 4 rings to it. I tested 4 o-rings on the F1 key. You can see
this in the video.
I love playing games with MX Browns (SC2) and I use to shorten the press depth by using o-rings, as this does not work really well unless you use an extensive amount of rings for every key you use. I will only use this
keyboard for work.
Things I do not like - I can not use my fingers to get the cap out of the keyboard (cone form [!Correction:these doubleshots are spherical!] and slippery) it takes a serious key puller or a bent hook made out of a paperclip and there is no coming with the package!

Do I recommend to pay whopping 50 pounds for it? Depends on how much you love a good feeling/sound (and if you can afford it). For me there are not that many options - as there are not that many German sets of double shots
around - I do not regret it - even though it is a bit crazy and if you say too much - I understand.
If you are in Vienna and like to test them - be my guest and send me a PM.