I'm planning to buy a Mac Mini with a minimum of 2GB RAM. Its main usage will be for internet and word-processing (certainly no games of video streaming) but I also want to be able to use MacSpeech Dictate. If I have extra cash would I be better moving up to 4GB RAM (since I don't want to fiddle around inside a Mac Mini) or move up from a 2.0GHz processor to a 2.26GHz? Or should I save my money and settle for 2.0GHZ & 2GB RAM. The only other strain on the system may be if I install a virtual machine but I don't really want to do that if I can avoid it.

Go for RAM.
The extra processor speed (only about 10%) won't be worth squat if the system starts swapping excessively.

But make sure the architecture would actually be able to USE 4GB of RAM. Intel 32-bit PC's typically can't use much past 3GB even if you put the RAM in there.

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