Interestingly named UK based budget case manufacturer who ship worldwide. Thonk also supply the world with a whole manner of DIY module kits if you're willing to get your hands dirty.
104HP 3u option - http://www.thonk.co.uk/shop/thonk-104hp-skiff-and-4ms-power-bundle/
non DIY = £143.67 on sale now! 10% offDIY = £62.49 on sale now! 10% off
Super flexible synth from U-He and it's free
Supercharged mono synth as plug-in
A new Studio Reference Headphone?
Motor driven synth has a sweet side..