On 2003-11-13 20:14:56 -0800, Ted Huffmire said

The airlines will insist on special background
checks on the pilots of these personal jets as well as rigorou
training, maintenance standards, and Class I medical fitness

That's a bit much to assume.

These so-called "personal jets" aren't any different than an owner-flown biz jet like an old Citation or 20-series Learjet that can be had for the same price that they're hoping get for an Eclipse 500. Anyone with a private pilot certificate and a third class medical who can pass the type rating checkride for a jet can fly one - single pilot, in some cases