I worked VK9ML Mellish last night on 28.495 (QSX 28.500-510) very easily, literally first call at about 0130Z. Excellent operator, excellent operation, was handling the pileup very, very well.
I understand they have a dedicated 6m operator, so might be fun to try that.
Their website and on-line logbook may be found at:
http://www.qsl.net/vk9ml/2002/73 de Steve, WB2WIK/6