Take it for what you will,
I myself decided to step up to some higher end calls this year. For years, I blew cheaper double reed calls. Never could get the knack of a single reed. I picked up an arcrylic daisy cutter single reed here in the classified. Figured i'd try it, and if nothing else, sent it in to have set up as a double. To my surprise, it wasn't hard to blow. I posted a video of it here, along with me blowing a few double reeds. Most of the folks here thought I sounded better on the single. So, I wouldn't rule out a single just yet.
To me, there is a night and day difference between blowing a cheap call and higher end call.
As far as double reed, I have a hobo icu2 and a gander valley homewrecker. The icu2 is the easiest for me to blow, extremely good low end, but higher pitched. New they are 140 buck for acrylic, but I've seen them go for less than 100 on eBay and here in the classifieds. The homewrecker is 110 new (acrylic) and has a lot of good reviews. Mark at GV, will set it up to your liking. Mine was a gift, so I didn't get to speak with him about the set up. It is a little hard for me to blow, and a little deep to me. I spoke with him, and he said he could lighten it up for me a bit. His customer service is awesome.
Look around here in the classifieds, and you can find some good deals on calls.