Just got my new PC and to retreive a 15Mb drawing takes 9 mins!!!(this was 22 mins, but have changed the office network connection to a 1Gb)I have benched marked the file on 2 other lesser PC's abd they run at 3 & 4mins.We are all running Iv2009 pro SP2My Pc is Dell Precision T5400 Xeon CPU E5410 @2.33Ghz 3.25Gb Ram. XP Pro SP2.NVIDIA Quadro NVS290, like i said superior to the others in the office...any answers / ideas ????

An antivirus software can slow some operations considerably.
Make also more memory available to Inventor - see:http://www.cadforum.cz/cadforum_en/qaID.asp?tip=2731