Wavy hair products help?

i asked the same question this morning because i am sick of my hair being so straight!! I am thinking of buying this a href="http://www.hairtrade.com/product_info.php?products_id=2902" rel="nofollow"http://www.hairtrade.com/product_info.ph…/a as Ales Gerrard recommended it in her column in ok a few weeks ago but i dont want to waste my money as there are no reviews :(