40k: Hunt the Alien - A new approach?

Ah Codex Space Marines, how long it has been since I looked upon thee. I think I got far too wrapped up in my obsession with SW representing Deathwatch I missed the charm of the original codex. Here's a little list idea, give us a shout with what you think compared to the current SW list.

Deathwatch 1500

Librarian 100
Null Zone, The Avenger

Tactical Squad 90
Razorback 40
LasPlas 35
165
x2

Tactical Squad x10 180
Flamer
Combi Melta
Multi Melta
Rhino 35
225
x2

Sternguard Vets x5 125
Lascannon x2 30
Rhino 35
(190)

Land Speeder 50
Multi Melta 10
Heavy Flamer 10
70
x2

Predator 60
Heavy Bolters 25
Storm Bolter 10
95
x3

Big thanks to Archnomad and VT2 for giving me a boot up the arse with it; the end result being a far better list than the one I originally considered.

Love, Dave