Since owning the boat I've done: -

Engine Replaced
Gearbox Spline Modified
Replaced & increased battery bank
Made new Cockpit Grating
Made new cockpit table
Installed TV/DVD
Installed a Lazerette "Beer" fridge :)
Mobile phone holder (A must for a clear chart table)
Custom Wine glass rack
Side opening "pot" locker
Installed shore power
LED Lighting throughout
Rewired the Mast
New headsail
New sprayhood
Cockpit Speakers
Bespoke boarding step
Perforated Oven trays
New heads sink & worktop
Ventilated berth boards
Aft cabin wood trim
New windows
New Sliding coach roof hatches
New hull graphics
Sink covers
Companionway Steps
Transparent Impeller cover
Replacement Gooseneck