I received the following boards from Axiom Manufacturing and EMAC, Inc. I'm using these boards as well as my own boards to validate the compiler and debugger.
Vendor Microcontroller Board
Axiom Manufacturing 68HC11E9 CME11E9-EVBU
Axiom Manufacturing 68HC812A4 CMD-12A4
EMAC, Inc 9S12DG128B iPac HCS12
Kevin Ross 68HC12 BDM12 Pod

The GNU Development chain for 68HC11 was also reported to be successful on the following boards:

If your favorite board is not listed and works, send me a web link so that I can add it.