I had 2 windows open, the 24k and the 40k. I started refreshing about 10 seconds before 1pm EST, it just happens so the 24k 'buy now' button showed up first, then the 40k. I clicked 24k first, then about 1/3 of a second later clicked 40k. I got in on the 24k, not the 40k.
pretty happy about it.