Looks like the official Apple fix might be out with 10.7.5 update (and presumably other OS equivalents)

Quote
Address an issue that could cause text input fields to appear black in some applications

Obviously work around released with last Sooloos release too.

Meridian owner since 1992
Prime & PSU, Focal Elear headphones, Roon (ROCK 8Gi5 NUC), Explorer 1 & 2, F80. 200/203, various Sonos (via Roon).