Mini-itx build will order tomorrow!

Im building a gaming mini itx build and want to keep the cost as low as possible.




Im going to be studying abroad so Im going to use my current monitor and keyboard/mouse meanwhile and when I'm in Canada (february) I may buy a new monitor, mouse and keyboard.
The i5 2500 goes for $195 not for $210 (coupon)
The usb is to install windows, I was planning to get a slimline dvd drive but I read that I may need an adapter and that costs $20 30 of the dvd drive.

Anything I need to replace?