guess so, if you want an image for preference I would use Nogrton Ghost.
It just depends whats important to you.
I have 3 drives, system, data and backup
System /progs i dont really care about an OS can re-install in 40mins, I do it often at work and one more will make little difference to me.
I backup my data, mosty vids and pics of the little-un to the backup drive once and a while.
Suits me fine, instant retreival and I use Windows 7 so i have "previous Versions" for files and folders too. All I really care about is vids of the little-un so Im happy.
What ever suits you best is what you should go for.
If you want instant recovery and 99% uptime go virtual :D

