Spectrum has no active develop program and has never gone to productions. They had a fatal crash and while Linden Blue is still around he has the good sense not to continue until the VLJ market recovers. Several companies have slowed development for the same reason. DiamondJet, EclipseJet, AltAir and CirrusJet have slowed to a crawl waiting on the economy.

We discussed VLJ's a few months ago here:
Would You Buy this Jet

BoilerUp can suggest a decent publication to look at for shopping advice. There are a lot of factors to consider and it is more complicated than you think, more like buying a complete business.