Not alone
This was something that occurred to me right after reading about Docker. And not just Kali, I consider that overkill (but fun!), but leaning towards individual tools grouped to create services. Small is still beautiful.
Penetration testing gurus Offensive Security have made their popular Kali operating system available for Docker-addicted system administrators. Developer Mati Aharoni acted on a request from a user who asked for a Dockerised image of the Kali penetration testing system platform. "Last week we received an email from a fellow …
Pretty impressive platform, Kali, really.
FYI, 1.1.0a runs very well on Parallel Desktops 10 (only, to my knowmedge, due to having to patch sources and recompile modules, which was having lots of problems in kernel 3.15+, with previous PD versions).
And you'll have to have an external USB WIFI card to use any WIFI magic, due to the network card of the Kali VM being only an eth1000 virtual adapter (no WIFI).