Got also my #myouyaiscoming mail yesterday.
I also orderd a limited edition (the brown one) with 3 extra Controllers.

Got that:

1 x Gift-Ouya Gaming System e_RO (SPEC-0V10020)
1 x Gift-OUYA Game Console EU Plug (PL001)

How do I know if my extra controllers included?

Best regards from Austria,
geko100