dynamat and hush mat are too expensive it seems. i have found some reasonable competetors with good reviews on e-bay. what do you guys think?

http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=280448949056&ssPageName=STRK:MEWAX:IT


http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=320470815973&ssPageName=STRK:MEWAX:IT