Car Charger, I like the OEM model charger, sometimes called the DoubleTalk, which has both AC and DC connectors.
Holster - I use a silicon rubber skin on mine, and keep it in a Bold holster. Fits perfectly.
Screen Protector - Those from Horizon Wireless are great. Blackberry 95xx Storm Screen Protector [BB-95xx-screen-protector] - CAD$13.88 : HorizonWirelessOnline.com - Horizon Wireless, The World’s Cellular Repair Center ß
Also, I like ScreenPatronus, they have a good product as well. ScreenPatronus, PDA Screen protector - the difference is amazing.
Sleeve, desktop cradle and car mount I don't use.