I would strongly suggest a Tial 35mm wastegate.I had a Turblownetics Meltagate and it lasted 4mos.The cool thing about the Tial is that it uses the same flange so it will be an easy swap.
Plus it looks bad ass:
(Edited by fourg63 at 12<img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/wow.gif" border="0" valign="absmiddle" alt=':0'>4 pm on Jan. 25, 2002)