104587 Domain catching script for .co

Hi I would like to buy a drop catching script to catch .[login to view URL] domain names that are expiring and get regged automaticly when they become available I will have a nominet TAG (To register domains) and be a member of nominet And I will also have use of the DAC on so i can post large volumes of whois enquiries, I basicly need the script to automaticly catch a domain name for me and register it to my TAG, i need this to be fast, and i think it need to run on a liux server [login to view URL] or [login to view URL] may be of help also Thanks Kerr