I really like Grooveshark. One of the things they've done now is allow you to upgrade through doing surveys. The only thing that you have to deal with, on a PC anyway, is the ad strip on the far right side of the screen. There are two upgrade levels that you can earn points for doing surveys so you can work your way up the chain for free.
Anyway, what I've been doing is creating playlists. Then search for whatever you want to listen for. When you find it drag into your playlist and now it's always there. If you want you can buy the tune you want otherwise you always have access to it anyway. The two upgrade accounts give you access via your smartphone, etc., as well. I like it better because I can find things that pop into my head and I don't have to buy anything. It's like listening to the radio in a way however there are no ads to listen to and you get to hear what YOU want to hear when you want to hear it.
Check it out! http://grooveshark.com/#/
Edit: just transferred a file from my desktop to my NAS. About 1.36GB according to Win7. Transfer speed is showing at around ~19MB/s. Fastest I've seen yet. Hmm....
Starting to wonder about the MS nomenclature. File size was showing in GB not Gb. Maybe I'm getting myself confused now.
This appears accurate: "GB and MB stand for gigabyte and megabyte, respectively. They are measurements for memory capacity. It is a common misconception that 1 GB = 1000 MB. Actually, there are exactly 1024 MB (2 raised to the 10th power) in 1 GB, but because of the popularity of the Metric System, it was approximated to 1:1000 conversion which is easier to remember."