>Craig, thanks for your reply.
>
>Do you know if a .Net app can be deployed an a Windows Based handheld and if so, which hand helds are supported ?

Yes, there is support for handheld devices. Look at the .NET Compact Framework, which I believe is currently in beta. Here's a link http://msdn.microsoft.com/vstudio/device/compact.asp

>
>Your idea of developing a Web app sounds interesting ..
> ..This would nean that the salesman would always have to be connected to the Web (wirelessly) and also a Web server would need to be available and on line... Is this technology out there right now... .i.e. reliable wireless connection .. I thought WAP had got a bad press if this is the same thing.

I can't comment on reliability as it will vary by geographic region.