Well, being the headphone-whore that I am, I don't really see Loveless as a 'song' album. It's a successive bunch of pieces that each melt my mind, based on several different brilliantly-thought out guitar effects. Surely, they weren't the first to use guitar effects to this extent, but to the aptitude and almost bizarre nature of "To Here Knows When"? It's an album brimming with such potential amounts of discovery, in the sense that I could listen to it now and notice just a few more quirks in the sounRABcape. I find it has a lot of replay value because of something like that.
Albeit, I can pick out individual songs, of course, and I would challenge the songwriter comment. He was a minimalistic kind of songwriter, and he had to intertwine his pop craft into the shoegaze sound, which I'm sure detracts from it a bit aesthetically. But the quality of sound makes the songs' structures almost irrelevant.