cron good - but anything better?

I use cron for submitting job - batches etc... and its good and easy to use..
But is there anything better?

ie.. I want to be able to submit some jobs at 1min and 30 secs past an hour (instead of crons 1 min or 2 min past the hour)

I dont think you can do this in cron - is there anything else that can do what cron does but also allow you to submit jobs as above?

Hmm... you could do something within the script itself, although it's not going to be an exact science.....

i.e. execute this from cron at 1 minute past the hour

#!/bin/sh

sleep 30
run_my_commands

A kludge, at best....

Cheers
ZB

was hoping for something more - as the script will still be running as a process and sleep will also be running..

Any other ideas?