I'm sure you don't need much help with this, but here are a few sites to get you started. Unfortunately there is no traditional equivalent for this year.

Airlines

www.british-airways.com

www.virgin.net/travel/

www.ryanair.ie
Cheap airline flights around Europe.

www.easyjet.com/en/
Also cheap airline flights in Europe. These are the bright orange planes you see.

www.cheapflights.com
Compares prices from several different airlines so that you can find the best deal.

Both the above websites have links to find hotels. You can also try doing a search for the tourist board of your destination.

Safaris

www.go2africa.com

www.afroventures.com/#

www.african-safari.com

www.abctravelindia.com/wildlife-india.html

Complete packages

www.chillisauce.co.uk/travel/index.php
More adventurous holidays.

www.easycottages.com
Cottages in England, Scotland, Wales, Northern Ireland, Eire and France.

www.nznature.co.nz/ecotourism.htm
Eco-tourism in New Zealand.

www.discoverparis.spb.ru
Gives loads of information on where to go and stay, tours to go on, etc. Although the website is for Paris there are other links for various other countries.