I got the Loquendo Susan US TTS package installed on my Epic 4G running Android 2.3, and found a download with the Voice_TTS-loq-eng-uk-f1.zip that works.
Anyone have more TTS voices working with iGO MyWay on Android? It's the one that un-rar's to I_G_O__8.4.3.1.7.9.9.7.1