Don't forget to close the old search window before starting a new search, or it's likely to run out of memory.
Magazines are a great source of information.
Most of the ones you'll find in your local bookstore come with a CD-ROM full of shareware, demos and even free software. There's heaps of FAQs and support sites on the net. David Pogue , author of The iMac for Dummies MacFixit has answers to just about everything. Mac Link Pages Low End Macs has a great selection of links in all sorts of useful categories Specialist iMac sites are growing fast. Top25 sorts all the iMac pages it knows about in order of popularity.