I see that you've already received a great many excellent suggestions, but I need to add one more: http://www.audiodharma.org/
I've only been practicing a little over a year, but listening to dharma talks on my iPod that were related to the suttas I was reading really made a huge
difference in my ability to absorb and understand. I strongly advocate a "multi-media approach". You'll find dharma talks on most every topic and when you hear experienced people discuss the teachings, the vocal inflections, etc just bring life to the whole endeavor. There are a variety of teachers available and you'll quickly discover that Gil Fronsdal is excellent. But I hasten to add that Andrea Fella is excellent as well.