It seems to me that using of the thin client isn’t a problem if you will use lightweight framework elements to represent business information (I mean framework elements without hard bitmap effects, shadows and so on). You just need to minimize the number of points presented on the map at the same time to some reasonable number. You can use DynamicLayer to load only those elements which must be presented for a given moment.
If you have access to the "Thin clients" you can try to run some of the samples which use RadMap and see whether everything works fine.
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the Telerik team
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