Would you like fries with that? Its a fairly tall order, RB. I dont know of a TC device woth USB or RS232 that would not log data. What would you expect the USB interface to do?
I dont think you can get much more local than Andy as a distributor and I doubt that you would get much cheaper than the BeanBay device for what you are after. I did a fair bit of looking around before the current device became available on BeanBay. I bought a Digitec device from Jaycar that doesnt have a PC interface.
The only local brand I could find was Procon and once you buy the separate TC cable and optional RS232 to USB adapter, you are looking at the same price as Andys or more.
And the Bean Bay device comes with its own free software that does a pretty good job
And you would be supporting Faircrack.