iPad almost replace my pc....
I use it to configure firewall
I use it for wireless troubleshoot/site survey
I use it to take minute.....
I use it to Check/ reply mail.....
I use iBook to store my child time comic
I use for surfing.....
I use it when in toilet/traffic jam.....
I play it on bed before fall in sleep....

If iOS can support java flash....it can will be ultimate ...