Judging by the offerings on the Internet its most likely that you'll still need to go to your local travel agent for assistance.
Most travel guides offer a basic description of the area in question and little else.
The Internet Travel Link is incomplete but provides details for accommodation and other areas, including a photo of each item. Lonely Planet's Interactive Map of Victoria and Destination Victoria guide are a source of interest from this famous travel guide publisher, but again are not a complete or thorough guide. G'day Mate's Information on Victoria offers very little in the way of information unlike Passport to Australia's guide to Victoria presented in an index format. The Australian Travel Directory offers web pages for a small number of attractions such as Melbourne's tramcar restaurant . Charles Sturt University's Guide to Victoria is the place to go if you need facts and figures.