Don't give up the Mac penetration fight. Even if your organization has hundreds of PCs and doesn't want to hear it, tell them again, but this time with more humility. Listen intently to anyone who tells you to upgrade your processor. Chances are that you may be better off buying an entirely new system. Don't wait on the sidelines too long.
Some magazines are well worth their price.
Generally, don't send graphics over the net unless it's absolutely necessary. Remember that the prospective recipient may not have the fast access you have, and downloading a superfluous graphic can be very irritating. Download and pay for GraphicConverter right now. It is perhaps the most important utility you can own if you work with graphics from different sources. They trade on your insecurity and often are written by dummies.