<BR><BR>i believe so, yet. but i am not sure. and you would also keep additionally installed aplications that were not installed via PPA. i decided to go with fresh install since it's strangely faster.<BR>What will happen at future upgrades?<BR>Do I get Abiword back again every time?
edit: forgot to mention.... YOu can do the mark command in synaptic i believe. you can lock packages and such.