DEBKAfile outlines Hamas' strategy against an Israeli ground invasion and occupation of Gaza. They hope to wear the Israelis down by inflicting steadily mounting casualties until Israel can no longer muster the political support to maintain its occupation and are forced to withdraw. Read how they hope to accomplish this at the link.
Israeli sources claim that Hamas' apparent eagerness to engage an Israeli ground assault is bluster intended to boost morale and that, in fact, Palestinian forces are scared and ill-prepared to face a modern armored attack.
The Times Online is reporting that the ground invasion is expected tonight.
There's lots of interesting information on this conflict at all of the above links.RLC