Read the posting by dsczephyr. It is very well said and IMHO, very true.
Very generally speaking, I feel few new grads are ready for ED. They lack too many basic skills. I do not care where you went to school, it truly does not prepare you for the "real world". You may, for example, be very able to take a BP...but how able are you to take one on a patient who is bleeding out from a GI bleed? You may have great luck starting your IVs in school, but how many 85 year old patients with spider veins and paper skin did you have? or babies? (I have worked with new grads who NEVER had started an IV independently!
The list can go on & on. So I really think it is a good idea to get experience, polish your skills, learn telemetry, get ACLS and PALS, get your organizational skills honed, and obtain some experience with the scarey stuff like bleeders, the dying, the psychotic, the drunk & disorderlies, etc.....Med-Surg will get you most of this. And learn about patho-phys and disease process.
Also, I would ask one or more of your instructors in nursing school where they thought you belonged. These nurses have seen you in action and may have helpful advice.