borked

If it's just for regular work, then yeah, go with it. 1.8-20GHZ core2 duo is plenty fast enough. Up the ram to 2GB and it'll be far than enough.

I prefer laptop myself and it's been a while since I had a destop. The 2.4GHZ MBP is fantastic, but my old G4 Powerbook was plenty fast enough. I do sometimes heavy photoshop work, but for the main part, it's just run-of-the-mill photoshop, heavy word processing, coding, and web and I'd be very comfortable doing it on a 2GHz mini.
Not sure though how the Intel GMA 950 graphics card will hold up, esp with 64MB memory... that's pretty low powered.

The MBP with GeForce 8600M/256MB runs the 15" MBP monitor and external 23" cinema display no problem, but I wouldn't feel comfortable plugging it into a mini.

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For coding work - hit me up on andy // borkedcoder // com
(consider figuring out the email as test #1)