While I'm very tempted to just throw a male in with my normal girl, I will wait. She is approaching 1500g and might actually be there right now (haven't weighed her since her last meal), but she was 1800g last season and dropped down to 1300 after laying eggs. I want her to at least 1700g (if I'm feeling particularly patient, I will wait till 1800g) before introducing a male.
Now, 1500g is a general rule for me, but if I ever have a female that I am really itching to breed and the season is starting and I put her on the scale and she weighs in at 1400g, I'm going to try and breed her.
A few people in this thread have said they have experienced smaller eggs and therefore, smaller hatchlings. My first ever hatchling weighed in at 37g at hatching. Very small little guy and I'm still struggling to get him started. I would much rather breed a medium to larger female (1400+) and get a nice sized clutch with normal sized hatchlings than get tiny babies.