Flamer Sentinels for tie-ups, and lots of templates. I don't expect a lot of MCs in a 750 list, but I'd fill out the CCS with 4 Meltas just in case. Maybe even a Vet squad with the same set-up. Chimeras where applicable, and if you have the points. Basically:
CCS: 4x Melta, Chimera (HB/HF, HK Missile) - 155
PCS: 4x Flamer - 50
IS: 2 combined, 2x Flamer - 110
Vet squad: 3x Melta, Chimera (HB/HF, HK Missile) - 165
Punisher: 3x HB - 200 (I have no idea how useful this is)
Sent: Heavy Flamer, HK Missile - 70
The Chimeras are there to offer targets of all armor types, so he can't focus his fire in any effective way.
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