That's like saying i don't like Photoshop because their textures look bad. You can customize pretty much any aspect in speedtree. And things that you can't generate directly in speedtree you can still import as custom meshes. It's in full control of the artist to make speedtrees look good. And for what you have planned…
Definitely appears so, with games like Witcher 2 and 3, Shadows of Mordor, Farcry 4, Destiny, and Dragon Age Inquisition using SpeedTree and looking phenomenal. I wouldn't rule it out as a viable option. http://speedtree.22slides.com/games
You are right about this one Steppenwolf, tools does not matter that much, the one who operates them does. :P For now I decided to go with hand made ones. I would need very detailed trees so total control all along is required. SpeedTree modeller might get me quick results but there are other things I have in my mind I did…
For now I decided to proceed with kit-bash option. I'll for sure do some that have branches blended with trunk but plan is to utilize SPeedTree shader in unity to provide me with some blending options. This pieces will be all unique and part of much larger set. I plan to use them to quickly create new unique assets. So…