So I think that the IG range has pretty good, varity wise if you are wanting to spend the money you can get a nice force thats not necessarily Cadian or Catachan. Combine that with FW and you have lots of options. However the varity of heavy weapons teams is severally lacking and the heavy weapons teams that are available must be mini space marines as the size of the weapons is beyond a joke!
In an effort to make the weapons a little more believable as being portable I'm looking at possibly doing gun carraiges. The problem is the wheels, GW doesn't really have any wagon wheels available easily (that and decently sized round sheilds). Does anybody know of any similer to these available via 3rd party?