Apple has posted updates to Apple Remote Desktop 3.2 today:
Apple Remote Desktop 3.2 Client
The 3.2 client update is recommended for all users and addresses numerous issues related to overall reliability, usability and compatibility.
Apple Remote Desktop 3.2 Admin
The 3.2 update is recommended for all users and addresses numerous issues related to overall reliability, usability and compatibility. It includes specific fixes for:
compatibility with Mac OS X Leopard
getting status and connecting to computers on slow networks
typing accented characters on European language keyboards
using Open Application tasks on Intel-based Macs
accurately reporting operating system version numbers
compatibility with third party VNC viewers and servers