Bad points, IMO:
Some bugs with certain planes, causing max performance at less than 110% with auto pitch control on (German planes). Will be fixed in a patch.
Ground control and modelling somewhat strange.
Somewhat optimistic control response at low speeds for all planes.
No dedicated servers and quality online play. Maybe that's why it is called an offline sim, hmmm.
Game gets slow online, offline it runs smooth (800 MHz Duron here, details all maxed).
Good points:
Many flyable planes and versions, some modeled for very first time in a sim.
Very good DM, FM and graphics. German, Russian, Finnish, Russian, US voices, British otw, adds a lot to immersion.
Incredible attention to detail, even at the cost of gameplay.
User developed skins, but also planes.