I use a kbp v60 (see manual[1], switches 1,3,6 on), caps lock is remapped to an fn key, then there are arrow keys both on the left and right hand. I haven't had any trouble getting used to it, and its wonderful not having to move my hand half way across the desk to reach the mouse.
[1]: https://www.scribd.com/document/227820785/KBP-V60-User-Manua...