Hey Therion,
It's nice to have you back after a while. You always add a nice sharp edge to the Army Lists forum with rasor like comments. Also there are only a few here on Dakka who post and discuss 1500 point lists. Here in the Netherlands these are / where the standard as well and I like lists @ 1500 points; you have to make hard choices when building a 1500 points list, more so than on 1850.
Anyway, your list:
I personally prefer Flight to Speed for the Prince, the D6 is too random for me. With 12'' I know what to expect, but YMMV. The Infiltrating Lieut needs Speed of course.
The rest of the list is very clean, not much to add except for my taste 27 models isn't a lot / enough in 1500 points.
If I rememeber your GT Daemonbomb correctly it was something like
Headquarters:
Daemon Prince: 182p
MocU, Personal Icon, 2x CCW
Stature, Flight, Aura, Mutation
Strength, Resilience, Essence
Bionics
Troops:
5 Chaos Marines: 115p
Mark of Chaos Undivided, Icon
Lascannon, Plasma Gun
Infiltrate
5 Chaos Marines: 115p
Mark of Chaos Undivided, Icon
Lascannon, Plasma Gun
Infiltrate
5 Bloodletters: 130p
5 Bloodletters: 130p
5 Bloodletters: 130p
5 Bloodletters: 130p
Fast Attack:
5 Mounted Daemonettes: 140p
8 Furies: 120p
8 Furies: 120p
Heavy Support:
6 Chaos Havocs: 188p
Mark of Chaos Undivided, Icon
4 Missile Launchers
Infiltrate
Total Points: 1500
Total Models: 58
Personally I think that this Daemonbomb of yours has a more than good chance against the list you present today - moreso when you'd add more (Mounted) Daemonettes. I think you will outshoot a lot of lists, but the lack of durability in numbers means that a fast CC army like a good Daemonbomb might trump you.
That makes an typical IW army too straighforward for me. Maybe with some Bikers with a champ with Fist you could add some reliable countercharge. Also, Longshot replied to my BL list on this page: why any Vehicles at all, in Escalation they will hamper your list. There is truth in that.
Anyway, good to have you back. Nice list, let us know how you're doing with it.
Cilithan out...