I found Apple's web-site a little useful:
The new iTunes looks terrible. It looks like they are Metro-fying the UI (i.e. removing all of the productive bits and then claiming the simplicity is a good trade-off).
In more detail, I feel like the iPhone 4 (until I updated it to iOS 6) was fast enough that I didn't feel like buying a new one. The iPad 3 got the retina display which is just amazing to read. It could be lighter but, for its use, it's good enough for me not to want a new one. (I will eventually buy an iPad Mini once it gets retina though.) My Macbook Air is still incredible fast and I don't think going retina now is necessary thus saving me some money. Finally, there was never an iPod like the fat Nano. I could get more storage but it still works perfectly.
My birthday was last week and I usually buy a gift for myself but this year it felt like everything is just fine and I don't need anything else in my life. Good times I guess.
It's a shame as I remember being excited when I started using iTunes way-back-when.