It's cheesy in the best way possible! 'Cheese' is just as often good as it is bad.*
And as for the 'inaccuracies', real forensics happen to be extremely long-winded and not overly interesting to anyone not in love with science. I did part of a forensics course at college, and as great as it was, i ended up having to quit for various reasons.
Also, after watching NCIS a year or so ago, I realized how similar Abby and my girlfriend are! She's starting the course I was doing in a week or so.
*Case in point, ManOwaR!