Free Nationwide Delivery on ALL our trampolines! Confused with all the choice? A quick guide to give you the basics: Berg trampolines are sold in 3 quality types, Favorit is the entry level, Champion is the mid range with much better quality materials and net. Then finally we have the Elite which is a professional level trampoline which would last the average household a lifetime of jumping! Next we have the shape: So we have the classic round shape, then the 'Grand' which is oval and then the 'Ultim' which is rectangular. If you still can't quite get your head around it, just get in touch!