So my 7 year old PA 271 is fading fast and I need a replacement. I decided to go with the 272 but when I looked I see it’s discontined. So any word as to why and any suggestions on a replacement? I love Spectraview, so I would prefer a NEC, but might consider other brands. I have had no problems up until now with the 271 so I could just replace it but wanted to consider newer t ch....