So I can't decide which size to get. I have a gig of music and about a gig of podcasts/video podcasts. I'm probably not going to keep many movies on there at the same time, or leave them on for a while. So I'm thinking the 8gig would be fine. I currently have a 4gig iPod nano with plenty of head room. Do you think I should be concerned about hitting my head with 8 gigs?