Need VPS Linux US Server

[Lougalvi]

I`m looking for a long term Linux VPS for a few sites.
Budget USD 20 + any taxes if applicable
Min 2 core CPU, Min 2GB Ram, Min 50GB HDD, Min 25GB Traffic
Location USA. 
Any established web hosting providers you can recommend?
What are your views on hostingsource.com cheap vps? Will it be worth trying them? 

Thanks in advance