Bastions really aren't that good for DE. The army relies on its mobility, and if you have an element that's just sitting around, well....case in point. I like the first list more, because it has more troops. I really don't like Reavers at all, but people on this forum love them, so whatever. As far as your heavy support, you already have enough anti-infantry, so you don't need Razorwings. You can argue anti-air all you want, but the fact remains that it is a 3HP AV10 flyer with 2 lances that is WAY overcosted compared to Nightscythes or Vendettas. Really, you're better off dropping them down to Ravagers, and using the points from that and dropping the Bastion to get some rides for the Trueborn. Also, Wyches are going to do a lot better for you in pretty much every facet than Wracks. And on the Haemonculus, there's really no point in having a power axe, because against any decent CC unit he'll die, and you don't want him in combat anyway to give up warlord.
That's my 2 cents, with just a little modification this list could be really good.
Kabal of the Flayed Heart.
Keeping it evil since 2010.