How does the weapon enhancement interact with Magus class features though, especially the bladebound archetype?
The Black Blade explicitly says that it cannot be enhanced in any way but through the Magus abilities, so you'll need to enchant it through your arcane pool.
Might have been missed, but can I use an adaption of the Warblade from 3.5's Tome of Battle?
Sorry about that, been really hectic at work the last two days, but should calm down by the weekend.
As much as I love the class, this game's going to be completely Pathfinder, partially to see how the system handles power at higher levels.
I may very well take the homunculus since it costs 2000 gold and can have its hd increased by paying 2000 more which keeps it right at the least cutoff . would that be allowed?
Sure, that's fine.
also can i mix items that are less then 25000 example i was considering winged boots  + boots of springing and striding  they are simalar in that they work on movement?
While I'll let you reassign item effects to different slots, no, you can't mix enchantments. That kinda takes away from the "iconic" nature of the items--I don't want to be mixing 5 different effects into one item when people get Greater items.
last thing i would love to have as her weapon a bladed belt iwould be willing to drop a + of enchanement to keep it a least item with +2 frost on it? it adds color to how i see her...normally appearing at best to carry throwing knives or a dagger at not much else.
Remember, for weapons and armor, the bonus enhancement number doesn't matter for the purpose of Least/Lesser/Greater--just the number of enchantments it has on it.
So you could have a Frost dagger, a Flame Bladed Belt, and a Corrosive scimitar; each one would be a least item, but as long as you didn't use them at the same time they would all be at your normal enhancement bonus. If you used two of them at the same time, only then would you need to split the enhancement bonus.
So yes, you can take that as a Least item if you only have a damage booster on it.