I have between 10-20 GB various GIS-data that there is a need to set up och and visualise for various users who want to be able to pan, zoom and switch between various layers and groups of layers nearly as if they where in using Google Earth or Photoshop. There is no real need for GIS-data analysis, just pure visualisation in order to make a "map image". The users themselves are not knowledgeable in GIS at all. So I wonder which tools might be best for it? Speed is alot more important that exactness. Is it better to have pre-rendered layers and scales? As I understand many GIS products are exact, but rather slow, and it seems ESRI's products are not using really GPGPU and multicore processing to it's full extent yet.
As asked by user33290, more detailed question. (True, very much is in the details.)
The number of datasets that amount to 10-20 GB is between 4-12 datasets. The purpose is quite simple: to visualise it. At least that's a start. The users should have the possibility to combine what they wan't from a list or so and basically build their "own" map. However as it stands now, the users won't add more data or so, just perhaps export their view to a picture for presentation.
Now I am aware that that amount of vector data is a bit too much, and also I am quite sure that few will want to view everything at once. I have not decided wether it's should be a desktop app or a web/network app, since well, it all depends how well it can be run. So basically we are not talking necessarily about a full fledged GIS-suite or so, but a advanced atlas of sorts. That's since the main users don't know anything about GIS and are probably not interested.