Grasshopper and I agree.
Converting crystal reports by hand is tedious and error prone - you will miss stuff for sure.
Automatic conversion is far better even if you have to tweak it a little due to incompatibilities between SSRS and Crystal.
Try
http://www.crystalconversions.com
Immediate conversion (no modification by hand), same low price regardless of complexity, amazing formula conversion, free trial so you can try your own reports.
Ras