Today at Computex 2013 press conference, Asus announced 7 inch tablet MeMo Pad HD 7 for just 129 $ ( 8 GB model ) and 149 $ ( 16 GB model ) aiming for developing markets
Specs include
ARM Cortex A7 quad-core CPU
7-inch HD ( 1280 * 800 ) IPS Display
8GB/16GB internal storage
1 GB RAM
5 MP rear and 1.2 MP front camera
Available in multiple colors
Android 4.2 JellyBean
Stereo speakers and ASUS SonicMaster audio technology for high quality sound.
This looks to be Nexus 7 with 5.0 MP rear camera at even lower price. I think at this price it will make a very good entry level Android tablet.
Source : Engadget