The Smithsonian exhibit is set for March 16 to September 30, 2012.
They're asking YOU to help decide which video games to display. They're choosing 80 in total.
Go here to vote. Here's an excerpt from the website:
The Art of Video Games exhibition will explore the 40-year evolution of video games as an artistic medium, with a focus on striking visual effects, the creative use of new technologies, and the most influential artists and designers. We want you to help us select the eighty video games that will be represented in the exhibition. Remember, this is an art exhibition, so be sure to vote for games that you think are visually spectacular or boast innovative design!Please please please vote for Chrono Trigger in the 3rd era!!!