There are other obvious similarities. Look at Rush and Balthar. They're both scientists, they both created the mess they're in (Balthar for giving Caprica Six the codes to the network, Rush because he just HAD to dial the Destiny instead of Earth) and neither of them is purely evil or good. Rush seemed to be an arrogant SOB at first,
Oh, and did I mention the scheming?
Rush is still the most interesting character so far. Maybe even the only interesting character.
I just hope Eli doesn't become a laughable character. I mean, McKay was funny, but you still took him serious. Let's see if they can do that for him.
And what's with master sergeant Psycho? I'd expect the SGC to screen their personnel for stuff like antisocial disorders...