600pts Vanilla Marines for tourney

[FaithWraith]

40K Army: Space Marines

I've never tried Vanilla Space Marine so I thought I might as well use them for an upcoming tournament.

Tournament restrictions are:
1+ HQ
2+ Troops
0-1 Elites
0-1 Fast Attack or Heavy Support

Since I've never played Marines I have 3 lists but I don't really know which would work best in multiple scenarios. So if you can please tell me what works or at least use the poll that would be a great help.

List 1

HQ

• Chaplain Cassius..................................125pts

Troops

• Tactical Squad(Drop Pod)......................215pts

- Combi-melta
- Flamer
- Multi-melta

• Tactical Squad(Rhino)...........................125pts

Heavy Support

• Devastator Squad................................135pts

- 3 x Missile Launchers

*********************************************

List 2

HQ

• Chaplain Cassius..................................125pts

Troops

• Tactical Squad(Drop Pod)......................215pts

- Combi-melta
- Flamer
- Multi-melta

• Scout Squad.......................................140pts

- 10 x Snipers

Fast Attack

• 2 Land Speeders..................................120pts

- Multi-melta
- Tornado w/ Heavy Flamer

*********************************************

List 3

HQ

• Master of the Forge.............................100pts

Troops

• Tactical Squad(Drop Pod).....................215pts

- Combi-melta
- Flamer
- Multi-melta

• Scout Squad......................................75pts

- 5 x Snipers

Fast Attack

• 3 Land Speeders.................................210pts

- 3 x Tornado w/ Heavy Flamer and Multi-melta

*********************************************

Thanks for any advice and/or improvements on whichever one of my lists is decent :D