I designed my own product line with ViaCAD Pro 10. I have zero complaints and highly recommend ViaCAD and their other products. Their support is top notch. The price is highly affordable for the features. They continuously update the product lines. Again, I highly recommend them.
This program was great. I was able to work basic shape quickly.
I found it to be very functional. It uses the same kernel as Autodesk Inventor. I was able to make solid models with professional results.