BudgetVM seems to have the VPS science all figured out. They have a solid offering and some great prices. For example, here are some of the configs:
512MB RAM
256MB VSwap
25GB SSD
1 CPU Core
2TB Bandwidth
1 IPv4 & 1 IPv6
1Gbps
100% Uptime
DDoS protected
All this for 35$ a year. If you prefer the OpenVZ SSD Cached VPS version, total is 25$ a year.
See it here: BudgetVM VPS