Many switches require a few days to get used to them, sometimes longer. Relax, put on some reggae and enjoy your board. You'll probably still bottom out, but with time you adjust to them and it's not a hard banging bottom out, more of a light tap as you adjust to the travel of the switches and how they feel.
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Get some rhythm boy!Show Image(http://i.ytimg.com/vi/fr0DUTWOgU8/0.jpg)
Seriously, background music does help.
My solution for less finger fatigue: Don't type.
Can you do us a favor and sue Microsoft Windows for excessive trolling?