Generally you would put the fx that change the basic sound - wah, gain, distortion etc before fx that add to the basic sound - chorus, delay, phase, flanging etc. but there's nothing wroing with experimenting to see what works best for you.
Tuners work best with a clean tone, so with either at the beginning of the chain or on a seperate branch (from an A/B pedal or some volume pedals have a seperate tuner out).
I've usually made my own boards, but for ready made ones I'd probably get a [url="http://www.diago.co.uk/"]diago[/url] board.
Cheers
John