Scott Lowe has posted an awesome collection of vSphere 4.1 links, which he’s shared here:
http://blog.scottlowe.org/2010/09/08/vsphere-41-links/
I’m also posting below for reference on our site (in no particular order):
vSphere 4.1 – The First Bug found (and how to resolve it) « Itzikr’s Blog
VMware KB: ESX/ESXi installations on HP systems require the HP NMI driver
VIDEO: New vSphere 4.1 Windows Active Directory Authentication
What’s New in vSphere 4.1
vSphere 4.1 Storage Networking Updates « Wikibon Blog
VMware Communities: VMware In SMB: ESXi Scripted Installation Via PXE and Kickstart!
Support Insider: Useful vSphere 4.1 Knowledgebase Articles
VMware: VMTN Blog: vSphere 4.1 and more
VMware: VMware vSphere Blog: vSphere 4.1 is Here! Tell Me Something About the Release I May Not Know
Welcome to vSphere-land! » Tidbits on the new vSphere 4.1 release
vSphere 4.1, VMware HA New maximums and DRS integration will make our life easier
VMware KB: Setting the number of cores per CPU in a virtual machine
VMware KB: Changes to Fault Tolerance in vSphere 4.1
A Few Gotchas With vSphere 4.1! | Daily Hypervisor
VMware: Uptime (VMware and Business Continuity): VDR and vSphere 4.1 compatibility
VMware KB: Changes to VMware High Availability in vSphere 4.1
Blue Gears » Blog Archive » vSphere Upgrade: Going to 4.1
Stuff: PAM changes in ESX 4.1
Krystaltek: DRS/Fault Tolerance Placement Restrictions
Don’t add resource pools for fun, they’re dangerous – NTPRO.NL – Eric Sloof
How to use vMA 4.1 installation, configuration « GeekSilver’s Blog
Two new HA Advanced Settings » Yellow Bricks
DRS 4.1 Adaptive MaxMovesPerHost | frankdenneman.nl
vSphere 4.1 to 4.0 differences
VMware vSphere 4.1: Not the Typical .1 Release
VMware KB: VMware ESX and ESXi 4.1 Comparison
Best practices KB on how-to install ESX 4.1 and vCenter | ESX Virtualization
VMware KB: Copy and Paste option is disabled in vSphere Client 4.1