I don't think anyone in this thread bought Star Citizen solely for the current user experience. The key point here is that the game is fundamentally solid and will expand quickly. You either say "this is definitely a game I am going to play a lot of in the future" and buy it now, or you don't like the genre at all and never buy it.
With Star Citizen, there is almost no benefit to waiting to buy it. You'll end up paying more for a game you probably know right now you're going to play anyway.
Oh, and my referral code is STAR-4LZP-G4TL. If I finally trick you into buying this scam, Chris Roberts himself will give me virtual items. You also get $5 in credits added to your account (5000 UEC).