In UK pound terms, I have now found that the ESU is about 50 dearer with installation. I think if I had the TXS installed and the loco tested the difference would be 30 pounds. TXS must going to hurt sales of the likes of ESU going forward eh? I now know that the TXS could have been the way to go, as they are compatible with throttles like Digitrax if not eLink. I will look into them in the future, especially when I get to buy another 9F (One of mine- tender driven-that was 2nd hand when I bought it might be suffering from Margate rot bent chassis issues). It took me I reckon 9 hours to get eLink back up. For some reason the Comm Port was corrupted and after multiple removals of the port; changes to the Railmaster system settings; about 3 tries of reinstalling the program (once I found how not to trip the download errors messages that RM was a security threat) about 3 system restore points of the laptop, it now seems to be working. sigh.