So, if the Iyanden book is essentially it's own codex, in that you don't need Eldar additionally....fine. If you need both that and eldar, then...yeah, WTF, $100 in just books to play an army?
And yeah, $115 for one stinking model, the Wraith Knight? Double WTF. I thought $85 for the Riptide was nutty.
That's 3, count 'em, 3 WTFs.