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#21
Macrium can image all partitions and I would make an image of all if it was my PC. Provided you don't make partition changes (size, type - I'm not talking contents of course) then imaging the OS partition alone should be fine. You can reimage to a new HDD if your current one bites the dust.
So in conclusion I'd:
1) Stick with Macrium and you'll be fine.
2) Have a look at WHS's tutorial on moving the bootmgr. He has 2 Dells which is 2 more than I have.
@WHS
I assume moving the bootmgr won't interfere with a factory restore?