I see now that you posted this in 2005, WOW!
I make a high gravity raspberry honey wheat as well. I also make lots of fruit wines, beers and ciders.
Here is a chart with approximate sugar levels.
Note: Sugar level changes everyday until harvest and some after also. That's why wine grape harvesting is a science and art.
It is best to check the amount of sugar in the fruit with a refractometer but for estimated gravity and estimated additions this will hopefully be helpful to fruit beer and wine makers.
Here are links to the images (for a larger view). Google docs format, no sign in required.