First time root - few questions - HTC One X+

It's finally time for me to do what every XDA user done already - root my phone and use another ROM. I haven't ever before done this that's why I'm very excited.
I'm trying to follow this noob-friendly guide http://forum.xda-developers.com/showthread.php?t=2213910 . I read it like ten times already, but I still have some questions.
1. I want to have a CM rom. Should I get Lloir's CM 12.1 or the official CM 11? The thing is, I won't be able to get another rom for almost a year and I want a quite stable rom.
2. I guess I should install the latest TWRP 2.8 recovery from this forums, am I right? But then, why on the official CM download page there is a separate "Cyanogen Recovery" file?
3. According to the tutorial, I should install SuperSu, is this the right version?
https://download.chainfire.eu/696/SuperSU/
4. The thing I'm worried about mostly - my digitizer is damaged and I sometimes get "phantom touches", I can't tap anything on screen, the only solution is screen off & on. What if phantom touches appear when I'm in recovery? From what I read most things are controlled by physical buttons (which work), but not all, some requires to swipe. What then? Can I turn the screen off or abort the process and start again?
Thanks in advance for every reply.

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If you need a stable rom you should stay on stock.
1. I use CM12.1 and used CM11 before. I prefer 12.1. They all have some more or less annoying bugs -> read the threads and make your own decision
2. Use the TWRP version which is linked in the rom thread. Cyanogen recovery has less functions and is not public released for x+ afaik
3. CyanogenMod is shipped with it's own su-management app. So no need to install SuperSU
4. you can turn screen on and off in recovery

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Thank you very much!
An hour ago I installed CM12.1, I may say successfully, because it booted and now Play Store is downloading GBs of apps., so I can't in fact do anything .
Maybe just one lat thing. If I'd like to install a CM12.1 update in the future, do I have to wipe everything? Or just flash the boot.img and rom and that's it?

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CM says you don't need to wipe, but Lloir sometimes wants us to wipe x)
In CM12 root must be enabled in developer options btw.

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crusader727 said:
but Lloir sometimes wants us to wipe x)
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