Ditto to bohogirlie, am also on progestogen only pill Micronor.
Ive not heard about neogest in particular, but POP's are generally known to cause less side effects than the combined pill.
The two most annoying things are: the 3 hour rule, and the fact that you cant control your periods. Apart from that, I have had no problems. My periods are shorter and lighter and less painful. I have less PMS/PMT. On Micrnor my periods have stayed *fairly* regular, ranging from 25-32 day cycles, when before I was a regular 28/29 girl. Its not the end of the world though. The only thing I wish I could do would be to run packs back to back to miss a period occasionally, but sadly that's not possible. You never know, you might be one of the lucky 40% whose periods stop completely. (Although, ensuring lack of pregnancy wise, not sure how happy I would be about this.)
Timings. At the start I found this to be a big problem. Taking it in the morning would seem to be the easiest time to remember, but I get up at different times every day and significantly later at the weekends, so the 3 hour rule stopped me being able to do this. I read somewhere that the POP is most effective 3-4 hours after taking it, so I thought I would try and take it at 8pm, as more often than not I have sex around midnight-ish. I set an alarm on my phone that goes off at 8pm every day and really gets on my friends' nerves! This works well as I havent usually gone out by 8pm, I'm still getting ready, so I didnt need to remember to take my pill on a night out with me.
I would recommend thinking carefully about the time you're going to take it before starting. Once you start, because of the three hour rule, its tricky to change the time you take it. You would have to do it gradually, say take it an hour earlier every day until you got to the time you wanted.
Good luck! Hope you get on OK with it.