Replacement shells

I found all this about the RS97 while looking for a retro gameboythingy on Amazon last weekend. I decided on the RS97 and will get mine tomorrow.

Googling the topic, I found some Revo K101s that were white with colored buttons, and I think it looks awesome compared to the translucent black.

I couldn't find anywhere though where I could buy replacement parts. If anybody knows, please post here.

An alternative would be to spray paint. Any ideas on which paints would work on plastics and be durable for handheld use?

Thanks.