Steve is buying a laptop, but is thinking about replacing the hard drive it with an SSD.
Most laptops make it easy to remove and replace the drive. Definitely make sure to backup all data first. Luka is also wondering whether to go SSD when replacing this drive. Leo says that SSD is faster, but also more expensive. The drives aren't as big as spinning drives, but Luka's mom may not need that much storage anyway. Check out MacSales.com for a good deal on a Mac hard drive.