The fourth-generation iPod. AirPort Express. OmniWeb 5. BBEdit 8. These are just a handful of the products that Macworld readers have nominated for the first-ever Readers’ Choice Awards. We’re honoring the best hardware and software of 2004 with the 20th Annual Editors’ Choice Awards, and we’re turning to you to help us pick a pair of winners. Is your favorite Mac product missing from the list of nominees ? You have until this Friday to let us know your choices for the best products of the past 12 months.