Quick Question for beginning EQOAFollow

You can start with the original since Frontiers is an expansion, but your going to miss out on some somethings by starting with original

As long as you purchase it eventually, you should be alright. Frontiers includes a new race (ogres), a new class (alchemist), additions to the world, higher level cap, new hunting/ raiding grounds, and improved graphics/ interface. It's been a long time, so it's difficult to remember everything.