Grapple has you enter your target’s space. Improved grab has them enter yours. If you boost your reach a lot, then, you can use grapple as way to pull yourself into position or pull an enemy to you, depending on whether you use improved grab or not. I just finished a campaign with a character who basically never used the move action in combat, but instead just used hookshots on enemies to get everywhere.
The DragonDraconic Claw feat gives you a swift-action attack that you can use in any round in which you use a touch-attack spell. The Snap Kick feat lets you add an unarmed strike any time you’re making one or more attacks. Between the two, you can use a touch attack spell (which can be done as an unarmed strike), Snap Kick on that, then use Dragon Claw and Snap Kick on that. That’s four attacks as early as 6th level, as a standard action + swift action. Plus you got to cast a spell for one of those attacks. Duskblade, eat your heart out.
Dungeoncrasher gives you bonus damage (a lot of bonus damage) for slamming creatures into walls. Knockback is traditional for this purpose, but there are all kinds of options. Telekinesis? Throwing weapons, with the Rout feat? Lot of variety possible here.