what about
(PC came on dressed like Mac)
Mac : 'you got a new look pc!'
PC : 'yeh'
Mac : 'yeh you look a bit like me'
PC : 'i know, just upgraded to visita'
Mac : 'are you stable'
PC : 'well, not really'
Mac : 'still crash?'
PC 'yeh.'
How 'bout a little alteration to the story line:
Mac : 'are you stable'
PC : 'well, actually I'm still a bit unnerved'
Mac : 'what's wrong?'
PC : 'my owner took me to one of those discount upgrade shops'
Mac : 'and?'
PC : 'I feel so violated'
Mac : 'what happened'
PC : 'they took me in the back room, and did some very bad things'
Mac : 'Oh, I'm sorry'
PC : 'yes, it was like being abducted by aliens, they were sticking things in there, re-arranging my parts, and performing transplants with parts from the future'
Mac : 'Wow. That's terrible'
PC : 'well, at least they made my interface prettier'
Mac : 'TMI (Too Much Information)'
PC : 'Well, at least it's over'
Mac : 'So, what's your owner think?'
PC : 'well, he hasn't been very supportive. All he's done is curse at me. After all I've been through, It's really upsetting.'
Mac : 'Sorry Mac'
PC : 'Next time I'm going to an Authorized Service Center. No more back alley shops for me'
Mac : 'So, ready to get back to work?'
PC : 'well, not really. I'm waiting for the doctor to get my update shot ready'
Mac : 'Sounds terrible'
PC : 'It's not too bad. The SP1 shot should be ready in about 3 months'
Mac : 'what are you going to do until then?'
PC : 'well, not much. Probably just take sick leave. Can't do much else anyway'
Mac : 'I hope my owner doesn't load Vista on me'
PC : 'Shhh. I'm calling your house. Gonna leave a message telling your owner how great Vista is.'
Mac : 'PC, PC, Nooooooooooo!!!!!!!'
PC : 'Too Late

'
Mac : 'That's cruel'
PC : 'i know,

Evil Grin. Yaaa Haa Haa Haa'
Mac : 'Here comes my owner. What's he holding? What is that

Oh, no, it's a box of Vista

Sorry PC, gotta Run.'
PC : 'See you soon (evil grin)'