Hmm... I didn't post a proper list, did I? Well, here's what I've got so far.

Super Heavy Auxillary
Baneblade with 2 heavy flamer sponsons
550

Spearhead Detachment

HQ
2 tank commanders
One with Punisher Gatling and 2 Heavy Bolters, lascannon
240
One with Battle Cannon, plasma cannons, heavy bolter, relic goes here.
230

Heavy
4 Leman Russ

1 with Punisher, 3 heavy flamers
210

2 with Battle Cannon, 2 Plasma Cannons, Heavy Flamer
205
205

1 With Demolisher, 2 heavy bolters and heavy flamer
195

Elites
2 Techpriests
35
35

Transport
Chimera
2 heavy bolters, 2 lasgun arrays
95

Total: 2000 pts

Again, custom Regiment with Jury-Rigged and Heavy Gunner. I haven't decided on a relic, but it's going on my Battle Cannon Commander. I have 6 Command Points.

Anyone play with an Imperial Guard Tank Core? Suggestions? No, I'm not going to suddenly add a bunch of guardsmen, I'm playing my niche for a while first... once I can start playing! Emperor bedamn this newest lockdown!