Sony sent a reminder that many, many games are currently on sale via PSN, including the must own Afterburner Climax, which shifted to $4.99.
Assuming you aren’t concerned about clutching a UMD in your hands, it’s also definitely worth a mention that Valkyria Chronicles 2 is on sale for $15.99, the same price you can currently snag Phantasy Star Portable 2 for.
There’s a pretty thick list of other bargains of varying interest, so check it out.