Source: Johnny Cabuso
On the Snake Soup a petition has been put up. The goal of this petition is to motivate Konami to re-release Metal Gear and Metal Gear 2: Solid Snake in Japan, Europe and America for any currently existing system. The petition praises the original MSX versions and aims for a re-release on Gameboy Advance or Playstation One.
Relevant link: Metal Gear rerelease petition