Seconded. Still, it can give you an edge against melee armies, usually Orks. Against 'nids, 3+ armor is good enough against swarm tactics; only if your opponent brings Lictors or other big figures will you need the
INV.
Scott-S6 wrote:They give you an invulnerable save but are fairly expensive.
They give melee guys a better shot of getting into melee so shield and power weapon is the standard for melee guys.