I know you've already started but you could always get a snakeskin or hammock sleeve system that will gather your hammock, tarp and all lines into one bag. Then just attack that to the bottom where you used to attach the tent
I have a snakeskin for the hammock, but there's no way I could fit the tarp in there as well. Also, if moving between sites, a damp tarp would get the hammock wet. As well as these 2 I also have a storage hammock, pegs etc for high wind/soft soil, and a few extra bits which will go in these pouches.
Mountainm, I was looking at something similar to that. However, I decided this was the most cost effective solution... The berghaus is also very comfortable for me, so it's a known quantity.