I've noticed tremendous progress lately in getting GDC2 up to date.  It's now only a few releases behind DMD and rapidly closing the gap.  Excellent work, Iain!  Once these last few merges are done, which of the following systems will GDC2 be almost immediately usable on, and which ones will still require a substantial amount of work?

1.  Linux x86

2.  Linux x64 (with 64-bit binary generation)

3.  Recent versions of Win32 (via MinGW)

4.  Win64 (with 64-bit binary generation)