BlueAlien.org

Unfortunately I'm stuck in my office at work and can't test this theory... but it has been said on the Playstation boards that I was browsing today after reading the firmware update info (PS3 Firmware update 2.10) that someone discovered that ALL of the downloadable PS1 games (like Twisted Metal and the like) are now accessable via remote play on the PSP (with firmware 3.80)! The RUMOR is that there are some parts built into the new remote play that allow you to play ALL PS1 Original Disc games in your PS3 with remote play also but we at BlueAlien.org have not gotten a chance to test this theory yet.

Read the thread about all this wildness here:
Playstation Board Post Here!

Update: Here is video proof a forum user at the Playstation Board has taken and put on GameTrailers. It appears that this is no longer a myth... PS1 games ARE INDEED playable on the PSP via PS3 Remote Play!