FreeVPS.us has 12 VPS 25s available. FreeVPS.us has been providing post to host VPSs for over 2 years and is financially stable.

VPS 25 (12 total)

Disk space: 15GB
Bandwidth: 1TB
Dedicated RAM: 512MB
vSwap: 1024MB
Control Panel: OpenVZ Web Panel
IP Addresses: 1
Location: Kansas City, MO
Special Requirements*: A link to http://freevps.us.

To get a VPS you need all of the following:
5,000 points
30 posts
0 or a positive reputation
0% warning level

To keep the VPS you must:
make at least 20 posts per month
Show proof of using your VPS
Keep your warning level below 50%
Meet the special requirements of the VPS you have. (see http://freevps.us/page-requirements.html for more info)

Be sure to read the requirements page if you want to get a VPS.