$5.99/month/1024M/40G space/500G traffic cloud VPS —— URPad

URPad.net was established in September 2010 and provides hosting services. Acquired by FTN Hoting in July 2011. It provides virtual hosting, VPS, dedicated hosting and other services, including not only Linux hosting but also Windows hosting.
Here is the configuration of the cheapest Linux VPS ($3.95/month):

Memory: 256/512M, Hard disk: 30G, Traffic: 150G

Therefore, VPS are all based on OpenVZ virtualization technology.
Details: http://www.urpad.net/linux-vps.shtml
Download offers are as follows:

Linux VPS Limited Time Promotion (EXCLUSIVE) – 1GB RAM – $5.99 per month

40 GB Disk Space
500 GB Bandwidth – 100Mbit Port
1024 MB RAM Guaranteed
1536 MB RAM Burstable
Instant Setup
TUN/TAP Supported
RDNS Supported
1 IP Address

Test IP and files:

Los Angeles, CA:
Test IP: 173.254.233.2
Test file: http://173.254.233.2/100mb.test
Luxembourg, Europe:
Test IP: 94.242.219.2
Test file: http://94.242.219.2/100mb.test

URPad.net official website: http://www.urpad.net/