I would go with the Dwarf Retics as well.
However, you should do whatever interest you more.
I am not a big fan of most Hybrids, but if you are, go for it.
Anyone that will blacklist you for having a Hybrid project is probably someone you won't mind not dealing with anyway.
As long as you keep documents, microchip and properly represent your animals I do not think that having a "Pet Project" makes anyone a "Bad Guy."
After all, this is a HOBBY!
With all of the "Giant" laws being proposed I doubt the Retic market will be much, if any better then the Hybrid market in another 2-3 years. Dwarf or not, they are still considered Giants and fall under the same laws and bans as the Big Boys.