HMV are selling "Beautiful Katamari" for the Xbox 360 for £24.99 (inc Del.)
You can get cashback through the usual sites (e.g. 5% Quidco, making it just £23.74)
The next best price seems to be £27.95 from BlahDVD.
The King of All Cosmos and the Prince have returned in amazing Next Generation brilliance! The game that took the video game world by storm is set to continue rolling with new stages, cousins, and visual style.
Play as the Prince or one of the cousins, new and old, to roll up objects in all-new stages and missions as you explore this brand new creative exploration. With this new era, the hit style of gameplay is able to present an experience only hinted at in previous versions. Seamless katamari growing and animated presents add to the experience that has captivated hardcore and casual gamers everywhere.
- Rolling in 720P - Katamari leaps into the next generation with an upgrade into the HD era with increased visual depth and seamless Katamari growth.
- All new soundtrack - Pick up items at your leisure to a brand new catchy soundtrack.
- New Levels - New levels and objects present the player with more craziness to conquer like keeping your cool and collecting frosty items in the Ice House!
- New characters - New cousins join the fun to bring the total to over 50 playable characters, each with their own quirky animations and style.
- Offline multiplayer - Share the experience with another player as you race to collect more objects than each other. Tired of battling it out? Make peace and work together in CO-OP mode to roll the same katamari. Make sure your communication skills are working at peak efficiency!
- Online multiplayer - For the first time ever, the Katamari franchise rolls into the online world. Compete with your friends to roll up everything or as many specific objects as possible. As your waiting for more online players, also take part in the lively mini-games that populate the lobby and spread the world of Katamari Damacy.
- Downloadable content - The worlds ever changing as your game will continue to give you joy through downloadable content ready to give you a fresh experience every time you fire up your system.