Which Addons?

Hi AllI know that FSx is coming out at the end of the year and I am assuming that a lot of developers will do upgrades to their products that may be adversly affected by any new technologies but in the meantime having just obtained a new PC can anyone offer any comments, suggestions etc on the products listed below. For example I want to fly both small and large aircraft all around the world (beginning with Australia where I am located). For example in Aust there is Andy Weir's Mesh but I would still have to get another mesh for the rest of the world. So in selecting the best am I better to have a mixture of single mesh's which will give a better result then say FSGlobal that covers all of the world? The same could be asked for landclass, roads, sky, water etc. - thanks all!Cost isn't really an issue but I don't want to waste money if there is a freeware that is just as good.Mesh (would I getter better results on sep mesh, one overall or a combination of both?)Andy Weir's Aust MeshWorld Extreme landscapes from AbacusFS Global 2005.FS GenesisRaimondo Taburet's 19/38m mesh for the USA.LandclassVOZ 1.1 (there seems to be nothing better for Aust)Ultimate Terrain USA/Canada/Alaska/EuropeMyWorld 2004 Landclass.Mega SceneryGround Environment from Flight1Misty FjordsFS Scene world packsRoads (what about the rest of the world other than these)USA RoadsRaimondo Taburet's road, rail, water for Europe and the USASky & WaterActiveskyWorld EnvironmentFlight Environment from Flight1FSwaterVaterTrafficProject AITraffic 2005Ultimate TrafficAardvark AI ModelsAircraft (I know this is personal but are there any "Must Haves" - any Ultralights/LSA's)777 ProfessionalLevel-D 767-300A340 ProfessionalAussim Warrior (have this already and absolutly brilliant)OtherActive cameraFS PassengersUltimate Night EnvironmentEZ VFRFSnavigator (I am told this is an absolute must)Walk and FollowRadar Contact Version 4Which ones or any other suggestions?RegardsIanAntec P180 case with Antec True Power V2 550w power supplyAsus A8N SLI Premium (rev 1009)AMD Athlon 64 X2 Dual-Core Processor 4800+ (OC'd to 2.64)Corsair TwinX2048 3200 C2PRO Ram2 x Western Digital Raptor 74gig 10k SATA 8meg buffer in Raid02 x XFX GEFORCE 7900GTX 512meg Dual DVI EXTREME in SLIViewsonic VX922 19" DVI LCD 2msLogitech G-15 USB Gaming Keyboard & Logitech MX-518 USB Gaming MouseLogitech Z-5400 Dolby Digital 5.1 THX-certified, 310-watt Speaker System