If someone steps up with a digitalized version of FSI Polish whose source was the Federal Government / NTIS rather than some reseller like Multilingual Books, then there'll likely be Polish some day. Otherwise, we just play the waiting game.
If you're really hurting for a Polish course whose teaching method is similar to the old FSI courses (i.e. basic sentences plus "drill-and-kill"), then take a look at "Beginning Polish" by Alexander Schenker.
The audio (originally on 19 cassettes) is available as MP3s for free use from Yale University:
http://www.cls.yale.edu/polish/The accompanying textbook and workbook are available for purchase on Amazon usually for about $40 apiece brand-new, but it is possible to get these at lower prices from vendors on Amazon Marketplace who deal in second-hand books.
http://www.amazon.com/Beginning-Polish- ... 693&sr=8-1 (Vol. 1 - Textbook)
http://www.amazon.com/Beginning-Polish- ... 12&sr=1-17 (Vol. 2 - Workbook (Drills))