My two cents: If the guy is good enough to compete: let him. If people think that he has an unfair advantage because of the blades – fair enough. But the guy is amazing. At least let the records that he broke in the Paralympics count, right? This is a quote on a website I found on him:
'The 20-year-old has run significantly faster than his 200m and 400m world records - he's registered a 21.34 and an astonishing 46.56 respectively - but the times were not counted by the International Paralympic Committee because they came in competition against athletes without disability.
The funny thing is: the ruling body for so-called "able-bodied" athletics, the International Association of Athletics Federations (IAAF), was apparently not impressed with Pistorius' efforts, either'