Although I have no great preference I would suggest the following, although they may not be as true as they used to be:

1. PCs are generally cheaper, and give more "bang per buck"
2. PCs are easier to maintain and upgrade, and have more interchangability.
3. There is more variety of software for PCs..........particularly FREEWARE
4. PC mice can be cooler than MAC ones ..........more wheels and buttons?

And the meaning of life is 101010 or 2A