It’s been several months since the CS4 Master Collection became available, and the focus of this follow-up review is to highlight the new features that have remained on my radar since first installing the programs. While every Adobe release features a slew of new features, I usually find that only some of those features remain completely indispensable as the novelty wears off. Photoshop Perhaps the biggest CS4 news from a technology standpoint was Adobe’s introduction of a 64-bit (Windows only) version of Photoshop. When this news was first announced, I was very excited, since my new system runs on Vista x64 (see my feature). And yes, there is a performance difference, especially at very high resolutions.