Still using the Ross 1201, mainly for the contiguous ntfs files. Got a few spare boxes from B & Q sales inc. a couple of dishes but only 1 extra remote! Some boxes are more flakey than others, going into odd picture cycling modes and losing tuning info. Had a problem recently having filled a 2Gb Seagate ext desktop drive, I found other identical looking drives not co-operating. Bought a 2Gb sata ii drive and used a dock I already have and all was well. Bought a second identical drive and a housing, put the Ist drive in the housing, all ok, put the 2nd drive in, no go! WTF. After much head scratching an experiments, turns out it's MBR vs GPT that was the problem all along. Evidently the later Seagate external drives were already formatted GPT but earlier drives were MBR. I'd inadvertently formatted the 2nd new drive as GPT, once reformatted as MBR all was well.
The free version of EaseUS Partition Master will do GPT-to-MBR without loss of files. For similar MBR-to-GPT you need the Pro version.
I have a couple of mobile 2Gb Seagate drives which were iffy, working with some kit but not others. Seems the GPT format was the problem too. Even more worrying, a less than 12 months old LG 4K TV needs MBR format, and I suspect this maybe for more LG recent model TVs.
The 1201 also records 4k .ts files but the 4k stations show up in the 'radio' list, not the TV. The 1201 will only play back the audio, but most 4k TVs will play the files. I use a Venztech K1+ 'Kodi' box with my Sony X85B TV which, in typical (old) Sony fashion, won't play the 4k .ts files natively.
The 1201 will drive a DiSEqc motor but only with a 2A PSU, not the supplied 1.5A PSU (or at least not my motor, YMMV).
Some of the recent Proms were broadcast in 5.1 'surround' audio, but it was mpeg surround so not directly decoded, but most AV receivers transcode to Dolby Digital surround. The mpeg 5.1 sound flag was present on a TV when there was no 5.1 present, but when the 5.1 started the AV receiver auto switched to Dolby Digital.
