1 risk in everything
2 you should know this
3 no spoon feeding on xda is aloud
4 pls read more as this will help you more than me telling you what to do.
4.4 Is very new and you need to no lots more than you do now to not have problems flashing or booting when it's flashed. Then there's the restore when you don't like it and want to go bk to stock or restore that nandroid you made.
Things to read about for a few days
Nandroid and pre load bkup and restore.
Thread of any rom /zip you want to flash.
Working cwm recovery that works with 4.4