Errm are u sure u want 512gb SSD?
I dont think ull be using all 512gb ofc i dont know u and i might be wrong but my guts tell me u wont be needing all 512gb unless u are taking out the HDD...
And Id go either Samsung or Intel SSD personally i think its better than OCZ vertex
That is not a good idea, but it is your money. There are things you absolutely do not want on your SSD though, like internet browsers.
SSD's have a limited number of reads and writes, they will last a good while but not near as long as a hard drive, and things like internet browsers which contain cookies and all that junk and constantly changing files will eat up the life-span of a SSD
actually it's good this came up, when i furst built this it was only an SSD and chrome was installed to it, need to move it