And on top of it everything look way too soft and bloomy. I can only assume the softness, blooming and inability to actually hit the focus mark and not buzz any shots was because all these adapters shoved onto the front of an already inferior fixed lens is the culprit.
I don't understand what you mean by not sharp enough? The newest crops of adapters are renown for their tack sharp resolution. There are a ton of examples around, in SD and HD; I'm not sure whether you can demand that it be any sharper. Here's an example shot in SD on a cheap FD 50mm f1.4 lens:
It's so sharp you can make out all the individual wrinkles on her face.
And what do you mean by "inability to hit the focus mark"? I haven't seen this problem before.