It's definitely simple, yes. But I feel like it was meant to be simple; if you'd add to it, it'd lose the relaxed but focused style to it. Excellent work, especially if this isn't your usual genre! Definitely going on my iPod.
I'd give it a nine or ten, but that's for those Perfect Songs, you know? Don't feel bad :P
Thanks a ton for the kind words :) It has motivated me to work on the song some more.
I have never considered my music...Ipod worthy