iPod Shuffle my arse

I was sitting on the bus this morning for about two hours listening to my iPod Shuffle and after a while I started to notice something. I´ve got about 5 albums on it at the moment and had it on random mode yet it just seemed to be playing a mixture of tracks from only two of the albums. There were other tracks cropping up but it was manly just The Killers and Jem.
 
Considering this is a product whose whole marketing strategy is based on it being a music player that plays the music in a random order, it doesn´t seem to do it very well. Winamp is the same. Its random play mode is a bit iffy. Seriously, how difficult is it to write a bit of software that generates a random playlist. Especially since the iPod logs the amount of times a certain track is played, it shouldn´t be too hard!
 
End of rant…