It depends on what you are looking for really. BL stuff ranges from pretty decent, through to entertaining but throw-away nonsense, down to spectacularly awful.
If you just want complete pulp entertainment that\'s very easy to digest, then anything William King has done for them is reasonably fun and enjoyable.
For me, Dan Abnet\'s probably the most consistent writer they have and the one I\'d recommend if you like a bit of depth to the stories you read. Even his stuff\'s not always on the money, but at worst it tends to be enjoyable enough. At best it actually shifts from being a GW book and crosses over into the realm of being a real novel!
That probably sounds horribly pompous, but for me a lot of BL novels read more like fan-fiction, with a great emphasis on men fighting like men and not as much else going on. There\'s still plenty of manly combat in Abnet\'s stuff if that\'s your bag, but he also manages to work in quite a bit of decent characterisation and also has a knack of fleshing out the GW worlds in interesting ways - giving lots of interesting insights into less militaristic aspects of their universes.
His Inquisitor books offer an intriguing load of detective style stories whilst the Gaunts Ghosts books offer more military shenanigans.
If you could only pick up one, I\'d say you cheat and go for the Eisenhorn Omnibus. Three books in one. You can check out a sample
here.
As for Eldar, who wants to read about those Panzees? Boring. pointy eared, effeminate freaks the lot of \'em!
