Java GUI's & Hardware requirements

We wish to write Java applications either browser based or Swing based. Our application server is runing on our AS400 thro Websphere. What choices do we have as far as client hardware is concerned ?
What actually runs on the client in a swing based app ?
What actually runs on the client in a HTML app ?
Thanks for your help
Simon

The hardware required for the client is going to be very much dependent on the application. A good new (Pentium 4) would certainly chew through most applications without much problem. I've had few problems beyond 500MHz. Memory has been quite important from time to time, though.
I would recommend Windows for the client; this platform has typically been best supported in terms of browsers and Java GUI functionality.
However, if you're developing a Java client you shouldn't really need to worry too much about the client machine specification. Do you actually have control over the client machine specification anyway?

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