People do unfortunately break them on rare occasions, but treat them with a reasonable degree of respect (the way yo'd treat a laptop, say) and they are pretty robust; the number of breakages is tiny compared to the number in use. Yes, the idea of screens with a flexible substrate is that they are less fragile, but until they actually appear, nobody knows how significant a factor this will be.
Is there any particular reason you're waiting before buying? What facilities do you think will exist in three months that aren't there now? You can do a lot of reading in three months!