For particular needs of machine translation, the best package is T1. Distributed by Langenscheidt, T1 has been in the market for seven years now, with successive improved versions. From the very first versions, T1 included translation of text and documents, a user-friendly lexicon editor, fast terminology import, translation memory management and useful plug-ins into Microsoft Office.
Current products in the market are:
T1 5.0 Standard & Standard Plus
T1 5.0 Professional
With tens of thousands of users behind, T1 is an outstanding high-speed full-text translator for home professional and non-professional use.