What's a convenient yet effective way to learn Portuguese?

I can't really tell you if it is hard or not because I'm Portuguese, so I'm used to my language...

First and very important step: you want to learn Portuguese or Brazilian Portuguese? I recommend you to choose just one and stay strict to the one you choose, because they are different (I'm not exagerating, very simple sentences change from one country to another, and if you say something in a Brazilian way in Portugal or something in a Portuguese way in Brazil, it is wrong, for example "I love you", the correct way to say it in Brazil is "te amo" and the correct way to say it in Portugal is "amo-te"). It might not seem much, but this is just one example.

If you choose "Portuguese Portuguese" (Portuguese from Portugal), here are some helpful links for you to learn it (I think all of them for free):

http://www.bbc.co.uk/languages/portuguese/index.sh...

http://cvc.instituto-camoes.pt/guiadebolso/index.h...

http://www.byki.com/fls/free-portuguese-software-d...

http://www.youtube.com/user/PortugalForYou?blend=2...

http://www.portugueselearning.com/

http://www.travlang.com/languages/cgi-bin/langchoi...

http://sites.google.com/site/afalarportugues/

http://avaxhome.ws/software/software_type/linguist...

If you want to know more details, you can read my answers in these Portuguese language related questions: http://answers.yahoo.com/question/index;_ylt=Apv_U...

http://answers.yahoo.com/question/index;_ylt=AqcpP...