1) Check eBay ( http://www.ebay.in/sch/i.html?_nkw=intel+ssd&_sacat=See-All-Categories )
2) Kingston is one more. Do you prefer performance or reliability? If you're open to purchasing from abroad, Crucial M4 or Samsung 830.
3) SATA cables, yes. 2.5" to 3.5" mounting adapters, some retail kits...