http://www.villainrom.co.uk/forum/content.php/295-ROM-VillainROM-1.0-for-the-Samsung-Galaxy-Ace-%282.3.3-lightweight
custom rom
VillainROM 1.0 for the Samsung Galaxy Ace
Replies from to_01
How to flash and root Samsung Galaxy Ace S5830 2.3.3
http://forum.xda-developers.com/showthread.php?t=1034145
2.3.3 leak at http://samfirmware.com/