This was posted on ebay AU facebook:

"We will be undergoing scheduled maintenance on Sunday 18th January from 4:00pm-8:30pm AEST. We apologise for any inconvenience caused and look forward to helping you with your questions after the maintenance is complete."

Get those 150 free listing in before the maintenance start!  ^_^

It sucks tho - peak time for auctions ending.....*sigh*