ALL SLOUGH FEG albums are very enjoyable, some may not be as accessible as others. They do take some time to sink in IMO.
The S/T is a good album, but there's no direction and it's basically the band's first 6 years compiled onto an album. They really found their sound on Twilight and I think that SLOUGH FEG would be even a better band if they were a little more Epic. The new album is great stuff, but the length of the songs was a huge bummer for me.