I just wanted to update on how my learning-order plan had progressed. I've moved on to learning Hiragana and Katakana, but I wish I had started by memorizing the kana first, before learning vocabulary and grammar. So if I had to write up a new lesson/learning order, it would look like this:
1. Memorize Hiragana and Katakana
2. Complete/master an audio lesson
3. Complete/master a language & culture lesson
4. Complete a Kanji lesson
5. Complete a survival kit lesson
[repeat steps 2-5 until all lessons are completed]
In addition, I've found Quizlet.com to be a very helpful tool for building language flashcards. On an iPad, iPhone, or iTouch, you can also get the Flashcardlet app for free, which will sync up with Quizlet. There are also free apps for learning kana, and Kotoba!, a dictionary tool that lists English, Japanese, and Kanji results.