Hi, im looking for USA VPS with dual cpu, 4GB ram, 100mbit line under $15 monthly.

so far i found these:

150GB disk, 8GB RAM burst $15 - http://www.greenvaluehost.com/virtualprivateservers.html
70GB disk, 4GB RAM, gbit port $7 - http://lowendtalk.com/discussion/21799/vps-offer-4gb-ram-7-m-1-gb-ram-3-m-512mb-15-yr-256mb-10-yr-2gb-5-m-valentines-day-offer#latest
75GB disk, 4GB RAM, ~$12 - http://openvz.io/#pricing-plans