Hi Magnus
I run a Lenz digital system and have done for about 10 years. I started with a Lenz 100 and have added a Lenz 90 system (as backup) and I also have a points operation module plus other bits and pieces.
My Lenz 100 is a 5amps system, and as I run only Bachmann and Accucraft locos I can operate well within the 5 amps boundary I have. I could however add my Lenz 90 to my Lenz 100 , which would give me a 10 amps system, but I dont need that at the moment.
My Lenz 100 does everything I want it to do, it isnt quirky, and operates all my locos that have sound without any problems. I can run 3 locos at a time without tripping the system.
My Lenz points module operates 5 points and again theres no problems with it..
Cost wise, I added a Tr150 Lenz Transformer to each of my sets at £50 each, my Lenz 100 coast me brand new about £250, my Lenz 90 again new was about £230. Now you will have to fork out around £300 for a Lenz 100, but thats it. My Lenz does everything that I need and Ive run locos such as LGb Beyer Garratts and Sumpter Mallets all with sound and with no fuss.
Compared to other DCC units , costing about £1,000 they are brilliant, effective and have no problems in running a railroad
Graham