For me it would be 9561 - you get VERY good manuals in the box with these, proper printed ones, with pages that explain the concept of EOL,
but Euro Mini has 10 zones giving you 1 PA per zone and one spare, have no idea how good or 'learner freindly' the manuals are though, never touched one.
Premier 24 would also be a very good option though all manuals are online, and that's slightly fancier in the programming stakes.
Galaxy is also an option, but, I would say least suitable for DIY newbie.
All are good, basic, LCD, proper trade quality panels though, and deffo nothing OTT for your installation.