To get a Mac or not??

I have a Toshiba Satellite laptop...it's about 5 years old and possibly on its last leg. For the past year it has been giving me scares....It is struggling to survive! It has a hard time starting up. If I can get it to start, it runs just fine. I rely on my computer so much, almost as much as my phone. Well seeing how my computer will not start at the moment, I'm trying to decide on whether to buy a pc or Mac. I think I'm leaning towards a Mac. I've heard nothing but great things about macs. Any suggestions/recommendations???