i have never owned a scottie but i read in books that they need to be traind WELL as a pup. The ones i know are noisy maybe that is because they are protective.
more lap dog suggestions would be..
1. yorkie
2. Bichon Frise'
3. maltese
4. dachund
5. bulldog
6. pug
7. jack russel terrier
there are many many more