I've been playing since it was a Kickstarter beta with a whopping 5 solar systems.
The learning curve is as steep as Half-Dome, and the tutorials are minimal at best, be warned. There are a bewildering array of keybinds if you play with keyboard/mouse, a HOTAS and Track IR setup will make flying much more intuitive.
The Galaxy is a harsh place, and you can get yourself in Big Trouble without even realizing it...like, don't loiter over the wrong landing pad, because the station WILL blow your ass up.
The MMO aspect...yeah, not so much unless you hang out in the popular areas. It's been ages since I saw another player, but then I'm 13,000 light years away from populated space, aka The Bubble.
Check out the Youtube vids on the new content coming out soon, Close Quarters Combat looks awesome for the guys who like the quick-twitch type gaming.
If you FO, send me a friend request, see sig.