One thing you have already figured out is the T's are addicting. You can't have just one, I went from 1 to 20 with two eggsacks in about 8 months. Anything you need to know about T's, the people here can answer it for you.
i saw nova (A. geniculata) and fell in love! bruoght it and researched etc and found this site, now seen all these amazing colored T.s and want so many lol i only got nova at the mo but im getting a P. Irminia and curlyhair( long name forgot lol) next week
Interestingly, we started out with one G. rosea. She is a pet rock, and therefore we weren't sucked into the hobby too quickly. We had her for over a year before we got our second T. Now we have 11 and a big order that I am going to place today. LOL