Ok, update about the modification after a month and a half.
The connector of the cradle broke off today. I believe it may have been weakened due to the fact that it stands out more than it should. Since I "dremelled away" at least 1/8" on the cradle cover, the connector was obviously exposed 1/8" more. One false move while taking out the axim must have broken it off. It was not fixed very solidly to the circuit board.
So let this be a warning to those wo want to try this modification: this is one of its potential consequences.
Of course, I'll be ordering a new cradle from Dell, but I'll keep this one, just to see if I can do something with it. Maybe take the connector from a sync cable. I just have to figure out how to plug in the AC adaptor.
Anyway, I'll let you all know if I decide to donate a sync cable to science.