First of all, it's quite difficult for me to review Belle & Sebastian, they're my favorite band, by far.
This album amongst everything they've ever produced is a gem. If you're into gentle and harmonious pop music... I find it quite difficult to find words but Stuart Murdoch and Isobel Campbell are wonderful singers... it's simple, honest, deep, considerate beauty altogether. It's very human; the sort of band which changes your life or at least how you look at it anyway - it did for me and for a few of my friends who are found of B&S. It's both refreshing, despairing, have some of the most beautiful and witty lyrics in pop music...
I would consider Boy with the Arab Strap as my favorite B&S album as a lot of my favorite tracks are there, Ease your feet is pure melancholy, Rollercoaster ride is amazing, fantastic lyrics. It just makes the difference in this shallow world we live in, very reassuring to hear that... well... it's not. It's prescription for your heart and soul, to meditate.