I don't think AMD has any plans for the 4xxx series. They were moved to legacy state for a reason.
If a CAP comes out later that supports the game, you can try it as well. I don't know if latest CAPs are compatible with the legacy drivers though.
CPU: AMD Phenom II X4 810 @ 3250MHz | RAM: Kingmax 2x2GB DDR2 800 @ 833MHz| MoBo: MSI K9A2 CF v1.0 (BIOS: 1.D)| GPU: Asus HD 6850 1024MB (DirectCu) @ 850/1100MHz | Display: L24FHD | PSU: PC Power & Cooling Silencer 750 Quad | OS: MS Windows 7 Pro x64
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