Hello, I'm a Mac!
The first computer I remember using was our family computer. It was a Macintosh LC! Here are the specs for those interested:
- 50 MB hard drive
 - Floppy Drive for 3.5" disks
 - 4 MB (might have even been less) of RAM
 - 10" color screen
 - running Mac OS 7
 - StyleWriter black and white inkjet printer
 
It's hard to imagine how far computers have come when now we're in gigabytes. Back then, getting to 100 MB was a BIG DEAL (remember Zip Disks?).
I currently own a MacBook, an iMac and an iPhone. So yes, hello, I'm a Mac! I use a Dell for work. I do go between worlds. I do understand why businesses...uh hem...the enterprise...loves Microsoft. I still wouldn't use it as my platform of choice for my business.
But the Bottom Line...
If you work best on a PC, then that's cool. Who am I to tell you what tool you should use? If the tool makes you most productive, then that's the tool you should use. My tool is a Mac.