Not all photosceneries are the same. The technology evolves.
Of course, if you just try an old photoscenery with poor resolution (5m/pixel like FS9, or 2m/pixel like some FSX ones), you're going to be dissappointed.
And even with 1m/pixel sceneries, if you don't have any autogen on it, it's not going to be very enjoyable. As you guys wrote, that kind of sceneries are made to be seen from higher than 5000 feet, because of the lack of 3D details. It's good for liner pilots, let's say.
However, there are some photosceneries with good resolution (1m/pixel or less) and good autogen. And in that case, the sitation is completely different, the visual quality
surpasses any scenery with regular generic textures. OrbX airport sceneries are a perfect example here, but these are usually quite limited surface (only a few km² around the airport are photoreal, but the quality is outstanding). There are some techniques to create some good autogen for any photoscenery, automatically or by hand. Gman, if I'm not confusing, is currently working on such a scenery, and some other people have already made some nice packages too. Here are a few low altitude shots to show what I'm talking about:
Here at 1000 feet or less:
A just a bit higher:
And I could use some very low levels ones as well. With such an autogen, flying at lower altitude keeps the visual quality intact, contrary to photosceneries with no autogen.
The only real drawbacks with photosceneries are:
- they are very heavy (several Gb)
- they usually have no night textures (but the ones with autogen can compensate a bit for that)
- they only propose one season (very exceptions, including OrbX aiport sceneries for example)
So yeah, far from perfect. But not that bad at all.