hey, god job with this thing, it's oswome

now... can anyone help me with a sound like this for xrt
http://www.youtube.com/watch?v=VOeTzCjwPpA

http://www.youtube.com/watch?v=2EGKEFJTqDk (starting with minute 1:14)

http://www.youtube.com/watch?v=jUOsOq5hKQo