Don't know if you guys have seen it yet, but Garrett launched a new line of turbos at SEMA this year. They are a completely new design.
http://www.motoiq.com/MagazineArticles/ID/4666/Nerd-O-Scope-Honeywell-Garretts-G-Series-Turbochargers.aspx
Mazda's Skyactiv-X engine looks to employ lots of technology to make HCCI feasible.
http://www.motoiq.com/MagazineArticles/ID/4611/Nerd-Alert-Mazdas-Skyactiv-X-Engine.aspx