Google sketchup isn't hard to use. And google sketchup is designed to be accurate. Those problems aren't sketchups fault - they're yours. Funnily enough, you're the only person who seems to hate it
Should I be annoyed that you have a lego store close to where you live? Here in NZ we dont have ANY proper lego stores unless you live in Auckland or something. And the lego isn't exactly cheap
I refuse to give you my opinion, lest it be invalidated.