Okay, so Rosetta will be great for the beginning, but in the long run? How hard will it be for large Multi-OS code bases (think Photoshop/Maya/CAD etc...) to ad

Okay, so Rosetta will be great for the beginning, but in the long run? How hard will it be for large Multi-OS code bases (think Photoshop/Maya/CAD etc...) to adopt and to maintain?