What do you use to burn ISOs?

[Todd And Margo Chester]

Hi All,

SL 6.1 x64

I am unable to cut a good DVD ISO (based on bad md5sums)
with the wildly out of date k3b that come with Scientific
Linux 6.1.  (CD ISOs cut okay.)

And, there is no RPM for xfburn.

What do you use?

Many thanks,
-T