But anything advertised as the full game should not be costing extra. Harimau and Mirage...

The first pack or two should have been free to deliver what was promised. After that if they want to add brand new crafts then by all means charge for it. You are going to have to cost it a bit better though.

Not to mention that the PSP Store doesn't let you spend any less than £5 at a time. I bought WipEout for £3.49 but had to pay £5. The remainder is stuck inside the store and not in my pocket. Rip off.