Jeff said "I am buying my first Mac this week, a G4/400. Looking for advice on how to check out this machine--steps to follow, what do I check out, etc. 1. Are there built in utilities in OS X that would run through and check my hardware and software (hard drive, video card, etc)? 2. Any good shareware (preferably) or commercial products that would test out this system? " Make sure you are getting an AGP model and not a PCI Graphics. Run system profiler in OS 9 as it will show more info about your ram. I would then run it in OSX as well. And compare what's in the box to the Apple website of what was originally in the box. Look it over very well for and cracks or bruises on the case, that the door opens and locks smoothly. Put a DVD in to verify the DVD/CD Rom Drive.It should have a 10 gig HD (or bigger) and a ATI Rage Pro 16meg vram (or better) AGP graphics card. Profiler should show a 100 Mb bus speed and an Apple branded CPU. If it is an upgrade CPU then probablly the bus speed is only 50. You could run RamChecker on it in OS 9 after you get it home- Just make sure they give a warrantee for 30 days or so. Give you time to test it all. Make sure you get a legal copy of OSX (and/or OS9), That way you can reinitialize/reinstall to know the system is squeaky clean-prestine. Check prices for the exact model on ebay and dealmac.com or other price compareson websites. Get the deal and warantee in writing. I use a 400 Sawtooth AGP w 1.3 gig of ram and it sails along just fine. Photoshop/Illustrator/Indesign/Quark/Quake3/OS9/OSX/zip/scanner/3 printers (usb, serial, eathernet)/CD burner/2 cameras/speakers. Drawbacks: no ADC connector on Rage Pro 128 (has DVI and VGA) and no Quartz graphics in OSX, no serial ports (need usb-serial adapter), no SCSI (without a card), small keyboard-F12 max (extended has F15), hockeypuck mouse (beg/buy/include in the deal an optical), no bluetooth (lotsa wires baby). Positives; Not expensive now, SOUND IN & OUT plug ports, zippy enough, restart button included, everything really works-OS9 is fast-OSX never crashes. Welcome to the platform where the grass is stable and green. jj