beren
There is a firmware hack for the Canon that give it similar features to the 10D. (I think I've opsted this before somewhere.
)I've asked around at CN about it and those that have responded give it the full thumbs up. One of the reasons for the hack apparently is to give the 300D mirror lock up capabilities, ISO3200 speed, amongst other features. From what I've been able to find out the 300D is very very similar to the 10 except for the firmware
http://satinfo.narod.ru/en/index.html
You may want to check it out at this link. It makes for an interesting read
Clear skies