The linnie forum is an awesome resource- I love it over there! Linnies do sit still longer then GCC's- well, some times. They are less clowns, but are still entertaining. Mine isn't a huge toy fan, but he has some he likes. They are deliberate in everything they do. Beattle, my linnie, picks his days and times to hang out with me, and sometimes he's social and other times he's not. If you had a single linnie (mine is the only linnie, but one of 5 birds), then they would want more of your time. Linnies can be hand shy- this seems to be species trait that can't be trained out. You either have one that likes hands or one that doesn't. Beattle is just fine with hands, in fact likes to cuddle in them, but others will tolerate them only for step-up, or sometimes not even that. I wouldn't let that deter you unless you 100% want a bird to wrestle with your hands or something. If you are worried about that in a linnie, make sure to let the breeder know what kind of personality you are looking for.
There are some amazing breeders on the linnie forum. They will ship- I belive Delta is at $150 right now.
PatsB (Pat)- has linnies available now. I am getting a green hen from her later in Oct. I am told her chicks are wonderful and from experience she is great to work with. Located in FL
PeggyB (Peggy)- I don't think has any babies currently, but does from time to time and is a wealth of information. Beattle came through her, though she didn't breed him. Located in CA.
Birds4Alice (Alice)- has babies available at the moment and is helpful when requesting information. Located in Chicago.
All these breeders are well known to the forum and members own and love their chicks. Good luck!