GN-002/DG014 Gundam Dynames Torpedo - with the mounted torpedo launcher, this unit is able to shoot submerged enemies without entering the water.
Gundam Sadalsuud F - Gundam Sadalsuud reinforced with weaponry and armor.
Also, if you're still deciding whether to buy HG Gundam Kyrios or Tieren Ground Type, you can have a look at the straight assembled versions of these two models on Lifezoids and Kaijin.
HG 1/144 Kyrios from Lifezoids.
HG 1/144 Tieren Ground Type from Kaijin.
