If you're interested in a large variety of tomato seeds, you can try "eden seeds", "the digger's club", "the lost seed", "green harvest" or "the italian gardener". Those are all Australian websites where you can order, for mail delivery, a huge variety of vegetable and flower seeds. They all come up readily in a Google search if you include the quotation marks.

Eden Seeds has a huge variety at reasonable prices but not many pictures. The Digger's Club has pictures and a little spiel for each, although they tend to describe absolutely everything as having "the best flavour" and their prices are high, even for members. I have ordered from all of these businesses except for "The Italian Gardener".

Hello Smokes Thanks for your follow up. I have made an order from Eden seeds. I compared their listings against Tatanias Tomatobase to help select the best for me. I like theitaliangardener, the Lost Seed and a new one Rangeview Seeds, all of whom have been speedy in getting the order sent. In contrast, in my experience Diggers seem to take"forever".
Last year I had success with giant tomatoes. This year I'm very keen to grow a diversity of yummy types and to experiment with crossing. Thanks again Smokes. Happy growing, may all your tomatoes be sweet, juicy and tasty. Cheers max