My status: on H1, visa expiring in September 2007. Rajiv's team applied for my H1 extension and I had I797 approvals till 2010. I had an H4 extension approval done for my wife as well. There is no employer change from first 3 years on H1 to second approval.
As of 27 April 2012 count, USCIS has received 29,200 regular cap H-1 B petitions and 12,300 advanced degree H-1B petitions. These numbers are considerably higher than the ones we saw at this time in the fiscal years 2011 and 2012 (we are now in FY 2013).