An objective approach to your needs demands removing the 525M out of the equation.
However, adding nVidia graphics acceleration will produce a more rounded-out purchase and who knows? Windows 8 may introduce a 3D interface for the OS.
Judging from your needs, Integrated GPU will suffice.
Thank you so much for a quick response! I bought a high-end nVdia card for my desktop which gets heavy Photoshop usage with lots of plug ins. But I do little processing while traveling. Mostly just look at photos, check email, etc.
What about running a simple slide show? Is the Mobile Intel HM65 still adequate?