This is actually the case that Will chose for his guide for how to build a white gaming PC, and he was full of praise during the course of that article: Speaking of my build, the NZXT H6 Flow case ...

RGB gaming PCs are plentiful, but few look as impressive as this white and purple gaming PC build. This gorgeous PC is a testament to its creator, featuring top-spec components from both Nvidia ...

I'd choose both again for this kind of a use-case, as gaming at 4K minimises CPU differences ... The ARCTICMACHINE also looks brilliant; it's the first all-white PC I've built and for me at ...