RC India

I am a beginner and this is my first build.
I was on a tight budget so I went for a tricopter, but burnt one of the ESC's.
These are the ones I was using - http://www.rcelectro.com/rc-products/esc/hobbyking-red-brick-20A-ESC

Now when I went to reorder for a replacement, they are saying that its out of stock.

So, I wanted to know if I can use a different ESC as a replacement, like this - http://hobbysea.com/products.php?135&cPath=2&sid=4c3ec2c130b000843615021b26eb0fb4

And I would be grateful if someone could direct me to a store where I can find the Red Brick one which I burnt.
Thank You.

EDIT: Alternatively, if someone is willing to buy the Red Brick one's from me, i'd be grateful, I have two, and haven't been used even once, though I have tested them and they work.

.