[url]http://www.forgeworld.co.uk/New_Stuff/NECRON_SENTRY_PYLON_WITH_HEAT_CANNON.html[/url]
Not sure why they can't just be a single kit with variant weapons, but hey ho!
So, so tempted by a Deathray one! My inner Bond villain wants it!
Actually. All three have different sidey bits, so I guess it's a bit more understandable now!