Optoma has released its PK-102 pico projector in the US today, and it's now shipping for 265$. The PK-102 is a DLP based projector (480x320, 2000:1 contrast ratio), it includes 4Gb of internal memory and has a built-in speaker (it can also play MP3 files).

The PK-102 has the same projector engine as the PK-101, which is still available for 230$. It has 4GB of memory, can play MP3 files and has a built-in speaker.