Waiting for PopCap Games’ Peggle to hit the iPhone? We are, too. Without a specific release date in sight for the real thing, iPhone OS app developers have started to fill the App Store with similar clones that succeed at replicating the Peggle experience to varying degrees. If you’re a game fan and not yet familiar with Peggle, we’d encourage you to care. Named the best Click Wheel iPod Game of the Year last year, it continues to…