Should I take classes for Credit / No Credit? Will I have any problems if I do?

<p>I applied to UCB, UCLA, UCSD, UCD for fall 2010.</p>

<p>I have more units than I can bring to any UC. I think around 80+.</p>

<p>I finished IGETC and my major is Political Science and I've finished all my prereq's for all the schools.</p>

<p>My question is...</p>

<p>I'm taking a bunch of history classes this semester just so I can be a full time student and to prevent gaps in my education. If I take these 12 units for credit / no credit for this spring will it hurt my admissions to these schools? What if I just take two for credit/nocredit?</p>

<p>Many thanks</p>