I too hated the look of the Lingo 4 and even more so at its price point. So I looked around for a viable alternative for several months. Something that looked better, performed well, sounded great and at a much lower price.
Having sought views on both this forum and the Linn LP12 Facebook forum, I came across the Zeus power supply & motor controller built by Steve Cobham. However, it was only available as an internal unit at the time although Steve had offered a plastic External case for it in the past.
So, I managed to get Steve to offer the Zeus as an external unit in an aluminium case as an alternative option to the internal version.
Having purchased the unit a couple of months ago, I am pleased to say that it performs very well indeed and sounds absolutely superb. I have not personally heard a Lingo 4 but I cannot believe that it could sound significantly better to be honest. It does not include a new motor as does the Lingo 4 but it is only 40% of the cost.
It has a tacho sensor like the L4 that feeds back and adjusts the plstter speed on every revolution and is accurate to circa + or - 0.003rpm from the desired speed. A Radikal 2 is accurate to several more decimal places but costs a fortune in comparison.
If the Zeus is of any further interest to anybody, then full details are available on valhalla-electronics.com
Others have also been talking about the Karousel bearing. In a nutshell it is superb,accurate, fluid, musical and a truly worthwhile upgrade. I went from black liner bearing to Cirkus to Karousel and the latter is best by far.
Hope that helps