The new Olympus E-PL5 has no AA filter or Low pass filter and the news is confirmed by Olympus France, so finally Olympus E-PL5 become the first low pass less Micro Four Third camera.
List of DLSR/Mirrorless without Low-Pass filter
Olympus E-PL5 – $700 (Amazon)
Pentax K-5 IIs – $1300 (B&H)
Nikon D800E – $3,299 (Amazon)