In a new video interview, Colin O’Keefe of the LexBlog Network interviewed Ben Stevens of The Mac Lawyer blog to learn how Macs are impacting law firms.After years of headaches, lockups, and problems with PCs, Stevens' Spartanburg, South Carolina law firm switched to Macs over the course of a single weekend. A particularly grueling Friday spent struggling with PC problems sent Stevens shopping, and when his firm's employees returned to the office on Monday morning, they found new Macs at every workstation. None of them had ever used a Mac before, but by Wednesday, they refused to give up their Macs.Stevens' story is a common one. He cites the top benefit for law firms considering making the switch to Macs as cost savings. His firm went from having a technical expert come into his office every other week to once per year. He has eliminated his tech budget for repairs and troubleshooting as well as costs for replacing, "stuff that doesn't work," and there is no longer someone, "going from office to office fixing PCs." While Macs might cost a bit more upfront, firms will spend less in terms of technical support in the long run, making them a wise investment. Furthermore, Stevens points out that he can resell his old Macs, "but you can't give away old PCs."Steven sees the iPad as the gateway to move firms to Macs because they're so easy to use. Even attorneys who have never owned a laptop can be seen using iPads in courtrooms. He explains that even though, "attorneys are always the last to adopt new technology," the iPad is so easy to use that attorneys can simply find five apps they like and end up with greater productivity and happier clients.For example, Stevens recommends TrialPad for running presentations in the courtroom in front of a jury from the attorney's iPad. The cost is high for an app at $90, but it replaces desktop programs that cost thousands of dollars. There are also jury selection apps and many more apps that are made specifically for lawyers.The Mac invasion in law firms continues to grow, and Stevens believes as more of the software programs that attorneys use become web-based, the more lawyers will switch to Macs.You can see the complete interview in the video below.