thanks all - hirozaku was right - it still says "buy" but when you click it it says you've already bought and asks if you want to re-install.
I can't afford DR2, I might get the first off ebay since I never got very far into it. And get the second in 3 years when I've finished the first haha
Rahk - if you haven't got a jacket yet I've been recommended this place: US$25 flat rate shipping.
http://ridersdiscount.com/
I'm ordering an Alpinestars GP Plus when I get paid, US$405 delivered, AU$750 in the shops here :/ I'll let you know how it goes haha
edit:
evlcookie -- I just hit "buy now" on an app I paid $4 for, was pretty relieved to not be charged again.