I bought the Mann Lake because it was on sale cheap at the time. No regrets and it works fine. But your question appears to be which is better quality, I think everyone would agree the Maxant is top quality... if you're going to pay to have it shipped to Australia, you may as well buy the best, I guess...
The Maxant 20 frame looks like it will fit through the kitchen door (an essential for me) and holds the maximum amount of frames for an extractor that will fit. I've never heard anyone complain about quality or service from Maxant.