I suppose this is for small images... cos .psd's can grow to really heavy files. For instance a product presentation mockup, a single page design ready to be sl

I suppose this is for small images... cos .psd's can grow to really heavy files. For instance a product presentation mockup, a single page design ready to be sliced (i.e. home.psd), or anything with "Photoshop 3D" can be easily over 100Mb...