Thanks everybody for the advice and emails its much appreciated. I hate to appear unconfident was just tryn to be real w my feelings about feeling stuck..... I've got some new info to consider and I'm feeling better .....always room for improvement! Thanks for the support!!!!
As a general rule you should send them 2 or 3 months apart to give them a good chance. Try posting a thread about your sets in the SG Hopefuls group to get feedback and then really work on them and send in a set thats really perfect.
Good Luck