What's TDI imaging all about? Is it at all conceivable that one day we'll be assembling widefield images in strips using this technology? Taken even further would you even need to track/guide if the electronics become sensitive and smart enough.....
http://www.fairchildimaging.com/products/fpa/ccd/tdi/
Maxim even has a TDI tab now
http://www.cyanogen.com/help/maximdl/TDI_Tab.htm