Cool - by the way, does anyone remember the old 'PHILIPPINES 1941' game? It used very simple strength ratio mechanics and movement but it was pretty much the only game covering the event. COMMAND magazine covered the Philippine campaign in an old issue as well w/c I've got back home at Manila.
Just took a look at it - it looks really good! The Philippines 1941 game was basically a delaying action that took place across Luzon and stopped short of simulating the Bataan campaign (the Japanese player had to succeed by the time Homma's timetable dictated he should have conquered the Philippines). This one looks like it might cover the Peninsula battles quite well - and von Borries is a really great (though definitely not for the newbie - grognards will rejoice though) game designer.
An interesting match up might be a two or three level game - one covering the whole island of Luzon with options for having the Visayas and Mindanao forces redeployed pre-game to Luzon for a cost in victory points, then the fighting retreat via the Calumpit Bridge to Bataan (or as an option, a stronger beach defense with the Visayas/Mindanao forces as well as the Pensacola Convoy troops just to see if MacArthur COULD have succeeded in his 'fight on the beaches' plan if he'd had more troops), and then on a second large scale tactical map of the peninsula, the battles for Bataan and Corregidor.