Release client. Start advertising new client. Make lods of emone.
http://www.youtube.com/watch?v=ON-7v4qnHP8
Examples:
An older MMORPG that went through a client renewal. (Note: I am not trying to make you play this game instead of Ragnarok Online)
More Images Below
Image 1 | Image 2 | Image 3 | Image 4
Classic Sprite -> HD Sprite Examples
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More Examples Below:
Classic 1 | HD 1
Classic 2 | HD 2
Classic 3 | HD 3
Classic 4 | HD 4
Classic 5 | HD 5
Classic 6 | HD 6
Classic 7 | HD 7
Classic 8 | HD 8
And just 'cause it'll help with my argument:
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