Also check Ainol Tablets. for about 110$ you will get Ainol Novo 7 elf 2 with dual core 1.5 ghz processor, dual core mali 400 gpu and 1 gb ram. i have used it my self. build quality is good and performance is great.

if you add another 10 or 15 $ you will get Novo 7 crystal with IPS screen and Quad core mali 400 gpu with Android 4.1.