Redwork:
http://www.kempembroidery.net/
eye candy:
http://www.bfc-creations.com/
Especially like BFC's 'quiltables' sets for instance:
http://www.bfc-creations.com/Designs...les/index.html
Oklahoma (OESD), and other embroideries at:
http://www.embroideryonline.com/index.aspx
And if you have a free afternoon (or weekend), go to the Ann the Gran links page for a list
http://www.annthegran.com/Links.aspx
Also, the Ann the Gran site has lots of info and free designs.
http://www.annthegran.com/
The best BB I've found for help with all things machine embroidery is the Martha Pullen ME forum. Unfortunately, it is being re done and is temporarily unavailable, but keep checking to see when it comes back up. It's worth it!