Krossfour

korg.com
This is exactly what I want for AnimeHELL/OtakuHELL. List price $699, groan...

• Video mixer/switcher with up to four inputs
• Simple and easy-to-use layout designed for realtime performance
• A crossfader with four unique fader curves allow video performance expressions that are quick and musical
• Crossfader features a blue LED indicator for great visibility even in dark clubs
• Built-in TBC ensures stable and synchronized images
• Advanced features includes Black, White and Blue background color settings, chroma key compositing (“blue-screen” effects), and luminance key compositing
• Two HOLD switches let you freeze the image from any input
• Monitor output lets you conveniently check an input signal for cueing and previewing, or can also be used as a sub-output