Sentry and gauss pylons you can afford.

[Beatnik cryptek]

Forgrworld makes some good units to cover the weakness necrons have vs vehicles, and of course being fw they're too expensive for most people and of dubious quality, plus, as usual, resin.

 

If you want to expand your necron options without breaking your bank have a look at this video. It shows that you can get good enough proxies for the obscenely overpriced fw models.

 

https://m.youtube.com/watch?v=lHpipIRqIc0&t=426s

 

Yes the gauss pylon is like 2.5" ahjorter than the official one, so put it on a flat topped pyramid base 2.5" high to appease the modeling for advantage whiners. (As big as it is it's unlikely the difference im eh ght matters anyway.)