sbt 0.13.0, scala 2.10.2
sbt 0.13.1, scala 2.10.3 / 2.11.0-M7

2.11.0-M7 requires a specs build of 1.14, which requires
a scalacheck build of 1.10.1 against 2.11.0-M7.

Given that, 2.11.0-M7 is here - not too shabby.

[error] Failed: Total 135, Failed 8, Errors 0, Passed 127
[error] Failed tests:
[error]   reaktor.scct.MiscInstrumentationSpec
[error]   reaktor.scct.PlaceHolderInstrumentationSpec
[error]   reaktor.scct.NameParsingInstrumentationSpec
[error]   reaktor.scct.BasicClassInstrumentationSpec
[error] (test:test) sbt.TestsFailedException: Tests unsuccessful