I've fond Drive Image 7 to be the easiest program to use. Very straightforward and uses the windows interface, so it's as easy as doing a copy of a file from one folder to another. Just the same as you probably do now.
click here I bought the program myself last week and found it so easy, I was able to do a full system backup and set if for regular back-ups with out even reading the instructions, just a quick look through the on CD guide. j.