Sony Online Entertainment is having a 3x station cash sale right now. You must log in to be able to see the new values. Normal rate is $1 = 100SC, but they have 2x sales every so often as well.
Useful for games like Planetside 2 (which has Australian servers as of a few hours ago!) and Everquest 2.
SC
1500 - $6
3000 - $10
6000 - $21
7500 - $26
15000 - $47
30000 - $95
EDIT: Thanks to Ravensbane for the comparison data below.
500 (AUD6.00)
Now 1500 Station Cash™!
1000 (AUD10.00)
Now 3000 Station Cash™!
2000 (AUD21.00)
Now 6000 Station Cash™!
2500 (AUD26.00)
Now 7500 Station Cash™!
5000 (AUD47.00)
Now 15000 Station Cash™!
10000 (AUD95.00)
Now 30000 Station Cash™!
Great for those playing or planning to play the upcoming Planetside 2. Just got 15,000 points for $47aus.
500 (AUD6.00)
Now 1500 Station Cash™!
1000 (AUD10.00)
Now 3000 Station Cash™!
2000 (AUD21.00)
Now 6000 Station Cash™!
2500 (AUD26.00)
Now 7500 Station Cash™!
5000 (AUD47.00)
Now 15000 Station Cash™!
10000 (AUD95.00)
Now 30000 Station Cash™!