You know, given the discussion here, I have something I'd like to submit:
In the environment where limits exist, I do not at this time accept the idea that cyberlimbs are imbalanced. In part, this is because taking Strength 1 and Agility 1 and using limbs to make up for it then comes at a cost - at Body 3 and Reaction 4, your Physical Limit is still only 3; this is problematic for a variety of skills that are important for any shadowrunner - stealth is one example.