I like the Rite bobbins..they cost a little more but have a nice tension adjustment screw on the side so you can set the resitance you want. Very nice ceramic tip.
http://www.ritebobbin.com/about-us.html

For scissors I like the DR. Slick micro tips 3 1/2 inch.
http://www.cabelas.com/p-0001094316589a.shtml

Hope this helps,
John G.