Nigel asked about what coverage we had, so I whipped up a search query to show rough counts.
RESULTS FOR 'archname' amd64-freebsd: 2 amd64-netbsd: 2 i486-linux-gnu-thread-multi: 2451 i686-linux: 1502 i86pc-solaris: 1 x86_64-linux: 7 x86_64-linux-ld: 86 RESULTS FOR 'grade' fail: 165 na: 64 pass: 3636 unknown: 186 RESULTS FOR 'osname' freebsd: 2 linux: 4046 netbsd: 2 solaris: 1 RESULTS FOR 'perl_version' 5.10.0: 2451 5.10.1: 1593 5.11.5: 7