Can't contribute....... think they all have some kind of beauty even if they appear homely. I think that Ariel is sweet and would be proud to ride it.
I have ridden an Ariel Arrow (the RZ250 of its' day). My first bike was a 125 C92 Benly and I have owned and ridden two ES 250/2 trophy's..they were all fine handsome bikes in my rather biased opinion