A PS1 rarity appeared, Image Fight/X-Multiply, two Irem shmups, one hori, one vert. X-Multiply plays very similar to R-Type, and the story involves you and your ship shrunken down and injected into a woman's body where hides an alien invasion waiting to happen. One of the 4 Arcade Gears titles and the most expensive of the 4, can go for $100-150 on ebay easily.
PS1 version is the rarer of it and the Saturn version, but sometimes the Saturn version can go for higher. Paid $57 for it, love these two Irem titles as I do love the Irem name brand. Just 11 games to 1,000, but this is the big celebratory title for me for when I reach the 1K plateau.