As an apologize gesture, Virgin mobile offer some credit to all post paid customer. Also all postpaid customer can make free calls, texts, and MMS on sat 17 May and sat 24 May. Calls are limited within oz. Further details including their apologies and what happened is in the link.
Cheers
Hmmmmm, so they are going to apologise for a network outage by potentially causing a network slowdown (or even another outage) with the free-for-all on the two Saturdays :p
Thanks for letting us know :-)