Vista Disk Partitioning

I am putting Vista on a test PC (I've gone back to XP on the main PC
because there are so many apps that won't run under Vista).

I deleted the current partitions from the drive I was installing to, set
up a 25GB drive in the Vista install program and let it run. I then went
to add an extended partition in the spare space on the drive and Vista
won't let me - it wants to put another primary partition on.

Are there any tools within Vista to allow me to create an extended
partition?

In the meantime I have booted to a Win98 recovery CD, ripped off the
partition Vista put on (goodness knows what it is, FDISK and Partition
Magic don't recognise it) and set the partitions the way I want them with
FDISK, but that seems an awfully long winded approach.

--
Jeff Gaines