Ram is also a very good album, IMO, it's even better than Band On the Run.It has been recently remastered and I think you can hear Paul at his best.
Paul's solo career was interesting between 1970 and 1973, but then he ventured into easy-listening pop.("Listen to what the man said" omg, is it really Paul?).
For those who are looking for a continuation of the Beatles style in the 70's, I recommend that they listen to Supertramp( albums such as Even in the Quietest moments,Crisis, Crime of the century are sometimes very Beatles-sounding)
ps: don't read the album reviews about Supertramp in Rolling Stone magazine,the journalists don't understand their music; since according to RS magazine,
British+Pop+melodic+original= not serious at all(The Beatles being the exception).