Just STAY AWAY from those bloody kumos!
Me personally would be spending the money to get a decent tyre. Think of it this way... the tyre is the bit in contact with the ground, if you have the worlds best brakes, suspension etc, doesnt mean bugger all with cheap tyres.
If you can google the tyre you chose, and a few others your looking at, try and find some reviews or something.
And I dont mean to sound rude, but say you had two slicks next to each other, both look the same, black flat, and made from rubber, might be from the same factory, different name, but the rubber is probably different.