Oscar E. Swan - yes, I agree. His writing is quite useful.
This is handy for working on pronunciation. It does fairly well for a computer.
livemocha is down at the moment
Site maintenance is scheduled for today. It should be back up soon.
I met many very helpful people on LiveMocha. Some of us use Skype, and our interaction there has been very helpful to me, and to them.
Polish In A Nutshell
Freely available book in "pdf" form, the prototype for his printed book: Polish Verbs & Essentials of Grammar Oscar E. Swan.
This is an excellent reference - 138 pages full of useful information
Also, the "Michel Thomas" (sometimes "Michael Thomas") CD courses were helpful to me, and at reasonable cost from Amazon. Also in Barnes & Noble.
"Immersion" is a key concept in my learning plan. I listen to Polish radio, music, watch Polish television (dropped all my American channels for Polish-only on satellite), read newspapers and books. Try crossword and other word games - these can be very challenging!
Some claim "you've arrived" once you can say this well:
and have a look at this, too: sciaga.pl/forum/9/watek/712241/zemsta_logopedy/ - Polish tongue twisters