Looks like Virgin Australia have their points on sale for those needing a top up.
Discount is tiered, depending on how much gets purchased:-
10 000+ points for 20% off
100 000+ points for 30% off
200 000+ points for 35% off
250 000 points for 40% off
Points are purchased in increments of 10k.
Was anoit to post this. Decent deal especially if you transfer to KF