I saw Kate singing Jolly Ploughboys on the tv show of Cambridge Festival around 6 years ago and it got me back into listening to traditional folk. Since them I have all her cd's including things she did with the Poozies and Intuition and on the Sharpe album and I have seen her live 5 or 6 times but I find Eliza Carthy hard work. And Guess What!. It doesn't matter what I think. No-one has to like what I like.
To get back to what Harpmolly was asking - I find I hear the albums differently after a few plays or many but I tend to go back to the songs that hit me first time round and I agree with your assessment of Wandering Soul and Jack Frost but Airlie was a bit of a disappointment. She used to do it with electric piano when I first saw her and me and my daughter, who is another fan, have been waiting for it on cd since but we remember it with a bit more "life" to it.
Last point - can the quite guy who let's his brilliant and different guitar work do the talking on stage with Kate really be stirring up a fuss. As a poor guitarist I have to say I would love to have a small part of Ian Carr's talent.