1. Touchscreen problem has been FIXED on 14.2.A.1.136, for the sake of truth I've test it
2. I've never found cracked display on Z1 yet. So I can't say anything about it. Anyway, the level of your luck is depend on your persuasive level. More per...
read this before you choose xperia z1 : http://forum.xda-developers.com/showthread.php?t=2540950&page=40