|No time to play|
Here's my two cents worth on skills.
Drop the intelligence modifier to the initial number of skills and add one or two extra skills to wizard. Your ability, or lack thereof, to ride, climb, swim, balance etc. shouldn't be indirectly derived from your intelligence.
Consolidate Disable Device and Escape Artist with Theft.
Consolidate Climb and Swim into Athletics or some such skill.
Consolidate Knowledge (history, local, nobility, and religion) into Knowledge (social).
Consolidate Knowledge (arcana, parts of dungeoneering, and planes) into Knowledge (supernatural).
Consolidate Knowledge (geography and nature) into Knowledge (nature).
Consolidate Knowledge (engineering and parts of dungeoneering) into Knowledge (artificer).
As I see it, consolidating the knowledge skill can only help the game, plus dark ages "knowledge" tended to cover much broader subjects than they do now. It also mitigates the loss of skills a typical wizard would suffer due to my first suggestion.
And as a final touch, drop "Knowledge" and instead call it "Lore" to give it a bit more of a fantasy feel.