Apple's great offer for students

Apple is offering free ipod touch with it's mac book and this is only for the students,one can select their choice of ipod touch from 8gb to 32gb,but the thing is that you have to pay for the ipod touch when you checkout and apple will send a mail-in rebate for $229 i.e. you will get ipod touch 8gb at no cost but if you are going for 16gb it costs you $70,if it is a 32gb ipod then it will cost you $170