Some cool input Strongblade, although I can't agree with some of your comments (see below). Voting currently almost a dead heat between 2 button mouse and faster games. I'll let it run for another 24 hours see if we have a clear winner...
Two-button mouse and software designed to take advantage of it
SB: Whereas a two-button mouse is certainly a pet peeve for many users, the Mac has taken advantage of multi-button mice in almost every application I have ever used (and I have used ALOT of different apps and versions of apps in my time) since System 7.5. OS X is excellent for this. As for programmability, well, there is USB overdrive for anything that isn't doable from an out of the box situation...
Moscool: comment was more about Apple's stance. Ctrl-Click is not that easy with a laptop on your knees...
ALT-Tab switching and click to desktop
SB: Although it's actually Command-Tab, it's there and has been there for quite some time. Almost as long as the multi-button functionality.
Moscool: Well I never...
Legible font sizes in all your mail
SB: I've never had font size problems with my mail on a Mac. On a PC however, it's been a pretty painful experience. (Unless of course I read this wrong and you HATE legible fonts?)
Moscool: This is one where I am sometimes wondering if I am going mad or not. Totally drives me nuts and doesn't seem to bother anyone else! Basically with Word as your Outlook editor you get perfect WYSIWYG in e-mail from PC to PC. Most of the mail I get in Mac Mail is either 'normal' or in a ridiculously small font. The only way to print those e-mails legibly is to resise the mail window (from Apple KB !!!). Definitely not WYSIWYG

Besides, font smoothing gives me a headache (really).
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Fast MS office
SB: Office seems to load faster on my 4 year old G4 than it does on some of the higher end (1GHz +) PC systems I've used. In truth, I think it IS faster (and better) on the Mac.
Moscool: OK for loading, but calculating and saving are definitely slower. Also the default font size bears no relationship to reality (both comparable Windows font or printed paper). Which bit of WYSIWYG don't I understand?
Cheap peripherals
SB: Again, like games, this is another tricky one. If a peripheral works on a PC, it's quite possible to make it work on a Mac (often it's just a matter of drivers). Cost of said items is irrelevant if the only difference is the software used to run them.
Also, you get what you pay for. "Cheap" doesn't necessarily have to mean "crap", but quality vs price often is a factor. Some lower-quality peripherals are often not available for Mac because they are junk not worth buying.
For example, a printer from HP, regardless of platform, will cost the same if it works on a Mac or a PC.
Moscool: Nope. Recent example of a 'cheap' HP colour laser printer costing *twice* as much on a Mac platform as on a PC platform. What happens is that the PC world is used to heavy discounting and distributors will be much keener than their Mac counterparts. I always shop around PC outlets for Mac peripherals and I always get better value for money.
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Choice of business software
SB: Well, the Mac may not have the same bredth of selection in some areas, but without specific examples, this becomes as vague as games. Sure, not every piece of software that exists for PC also exists for Mac. But there are also applications only made for Mac that can fill these gaps..
Moscool: The business market has all but given up on the Mac platform (which is not surprising with a 3-5% market share). Although I switched my business to Mac, I am paying everyday for it with no bridge to my accounting software, no Mac version of Act!, no professional services practice management software, etc.
Messenger and netmeeting
SB: Since all the different chat-programs have mac equivalents (and we also have iChat AV, which allows both Audio and Video chats) this isn't really much of an issue.
Moscool: this reminds me when my cousin bought one of the first fax machines twenty years ago - He had to send faxes to himself for a long time...

What is the point of having the coolest messenger software if no-one else can use it? Besides iChat AV ain't cheap, so it's going to slow progress further to convince all your mates to buy a Mac and an iSight. Maybe it would have been a better idea to make the thing X-platform compatible with one side getting the quality and the other using the USB/cheap cams but getting the urge to upgrade...
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My conclusion: Macs are cool and that's why I am prepared to pay more to use them. But let's not pretend that everything is perfect - there are quite a few things that PC platforms do faster & cheaper, albeit not as elegantly.