I know you're asking about Pacmans but have you checked out firebelly toads? They are very cheap...you can get them at almost any petstore or retile store for under $10 that way you wouldn't have to worry about shipping. They are also very active and outgoing unlike the Pacman frogs. They do well in pairs or small groups and won't try to eat each other.They don't require any special heating or anything like that and are probably the hardiest frogs out there. Go to YouTube and check them out. They are quite the party animals and make great first frogs. Although they don't eat as large of food items as Pacmans they are like sharks at a pool party when it comes to eating.
They are a lot of fun. You could easily stay within your budget with them and you could pick them up locally.