Over on the Hangar, Dukayn has posted a number of PDF instructions that he has created through LDraw.
Laggar Delta by Dukayn.
STK-7 Winmar by Dukayn.
Landscript by MittenNinja.
Stiletto by Renel Ebro.
Gremlin by A.Yates Industrials.
Other people have joined in.
Arwing Advanced by NimbusAConflict.
I've also added a permanent page for frame build instructions.