Interesting discussion. I guess everybody has their pet imaging program - and that is fine. Whatever works for you is the best.
I used Norton Ghost 14 for a couple of years on Vista. That worked well although it was a bit tricky to really understand all the settings.
Now I use free Macrium for Windows 7 and find that extremely user friendly. My system images are done in less than 4 minutes - what more can you ask for.
I have some problem with the differential backups. It builds up a chain and if you lose any single piece in the chain, you cannot recover. I feel a lot safer with full images and those are also a lot easier to manage.