WHFB Army: Skaven Rise

So Shep has convinced me to try my hand at Skaven. I am a WHFB n00b, and as such I expect to create a bunch of lists that are get pwn'd ;)

Skaven 2000

Grey Seer (Dispel Scroll)
Chieftan (Halberd, Shield, BSB, Storm Banner)
Warlock Engineer (L2 Wizards, Warplock Pistol, Doomrocket)

24 Clanrats (Musician, Banner, Plague Wind Mortar)
24 Clanrats (Musician, Banner, Plague Wind Mortar)
40 Skavenslaves (Musician)
40 Skavenslaves (Musician)

8 Gutter Runners (Slings, Poisoned Attacks)
8 Gutter Runners (Slings, Poisoned Attacks)

4 Warplock Jezzails
4 Warplock Jezzails

Doomwheel
Doomwheel

Warplightning Cannon
Warplightning Cannon