Warbonnet is a great company. I have had a Ridgerunner for ages, and I just picked up a Blackbird XLC. I also have a Dream Hammock Sparrow (have had it a few years and used it plenty). My Sparrow is really nice, and Dream Hammock offers much more customization than Warbonnet, but so far at least, I find my XLC more comfortable than my Sparrow (the foot box is a genius design), and I really like the shelf for storing larger items than can fit in a ridgeline organizer.
Warbonnet also offers a complete system, and once you have spent the night fussing with your underquilt in an attempt to achieve the perfect seal and save your bottom from below freezing temps, you can truly appreciate having an underquilt that is actually made to fit your exact model of hammock. I'm sure the BB is wonderful as well, and I didn't need the extra length (I'm 5'5"), but I wanted the top cover/underquilt protector option that you get with the XLC. I've heard people who are looking to save weight also really like the Eldorado.
Edit: Just went back and read the comments properly, and I see that you have already bought your hammock. I'm sorry you weren't able to get the BB switched out for an Eldorado. For what it's worth, I don't think that's typical of Warbonnet customer service. I know they are really slammed right now, and maybe your request slipped through the cracks. That being said, unless you are in a hurry to get out immediately, I would contact them and see whether you can exchange the hammock. It would mean waiting a bit longer, but I'm sure they would do it, especially since you had discussed it with them already.
I also wanted to mention that hammockforums.net is a great place to ask hammock-related questions. Lots of knowledgeable people on there ready to help out, plus a lot of gear manufacturers (including Warbonnet) post in the forums so you can ask them questions directly. It's similar to this site, except it's focused entirely on hammocking.