New to Flight Simming please help me choosing the Add Ons

I'm about to order some Updates for FSX and would very much like to hear opinion about it.Most important thing for me is Scenery, I fly without Weather and only a little AI.This is what I'm thinking of getting from Flight Sim.com:Zinertek - World Environment 2007Taburet - Vector Scenery Replacement Europe for FSXAbacus - World Extreme Landscapes V2 for FSX From simmarket.com:RGFLIGHT - PSLSP1v2-DL - PHOTO SCENERY SALZBURG PART 1 V2FSQUALITY - AUSTRIAN AIRPORTS SINGLES 2005 VOL 2FSQUALITY - AUSTRIAN AIRPORTS SINGLES 2005 VOL 1TABURET - ALPINE TERRAIN 38MFrom Flight1.com:FSDiscoverFrom Fscloud9.com:Xclass United States v.1.01From Justflight.com:VFR Real Scenery - LondonDo you think this would play together nicely? What could/should be added?I would also like to get high details for the Middle East but its hard to find anything.Opinions Opinions please