1. yes, the only way to get thermal grease on the cpu is by placing thermal grease on the cpu. the hsf does come with a thermal pad. no cpu that i know of comes already attached to the hsf. it is possible that his computer didn't even boot with it on, so he could be telling the truth in that it was unused.
2. the one on mine didn't. i got a basic aluminum box cooler that apparently is recommended and re-branded by AMD: www.avc.com.tw/products/Z7LB00C.htm. however, i had the vendor install it for me, so maybe it's one he just had lying around.
other users have also reported that they expected the heatpipe model, but it seems to be random. there's no way to tell which hsf you'll get with which chip in which country. interestingly, the generic i got appears to perform better than the heatpipe one endorsed by amd: www.frostytech.com.
were you expecting this one: www.avc.com.tw/products/Z7UB408.htm
i haven't heard of anyone who got one with their chip.
it won't hurt the cpu to run am2<->am2+. the + is just which version of hypertransport it is using.
cavat emptor. i use www.pricewatch.com.
9750 X4 // 8600 GT // PC-6400 DDR2 800 mhz 1gig X 2 // WD 500 GB SATA HD // 580w PSU // Core Contact Freezer w/ IC Diamond 7 // DVD-RW // Win XP 32 bit // CPU-Z Validation #420180