Well, that sounds like good news. But when you get the body, get the glass to match.
Do you want some lens recommendations?
If you like the 50MM you have now, then get an 85 f/1.8 when you get your 5D.
After that, what you add depends upon what you will shoot, and what you prefer.
To see what the lenses can do, what's available and thus why you might choose one over another, start here: