Differences...
99's have 16 inch wheels
00-01's have 18 inch wheels and a bit better climate control
only package available was the "ironman" edition that came with a few ironman decals on the exterior, ironman engrained in the front seats, and came only in Victory White...other than that identical to all other VX's
The only available options were the roof rack (near impossible to get now) and a rear cargo area mat.
The only problem with repainting the Ebony to Proton is the interior. Protons have black and grey interior. The Ebony has black and red interior.