The English versions of the character trailers for PP are up:
Hyperdimension Neptunia™: Producing Perfection Neptunia Trailer (http://www.youtube.com/watch?v=P76XuEHHEqM#ws)
Hyperdimension Neptunia™: Producing Perfection Noire Trailer (http://www.youtube.com/watch?v=mVBMSMRkTJI#ws)
Hyperdimension Neptunia™: Producing Perfection Blanc Trailer (http://www.youtube.com/watch?v=odCsjKv9N78#ws)
Hyperdimension Neptunia™: Producing Perfection Vert Trailer (http://www.youtube.com/watch?v=NSO2M6EQmz4#ws)
EDIT:
PS Vita「超女神信仰 ノワール 激神ブラックハート」 バトルムービー (http://www.youtube.com/watch?v=LVa4C-R8A6Q#ws)