Some of my gear:
Here’s my FAVORITE sling / shoulder bag: Lowepro Passport Sling http://www.amazon.com/exec/obidos/ASIN/B0039NLS4C/pocklens-20
My FAVORITE, quick access, mirrorless backpack. The Think Tank Trifecta: Here’s a LINK to the Trifecta 8 Backpack and a Video review I created.
Here’s another shoulder bag I use: Lowepro Event Messenger http://www.amazon.com/exec/obidos/ASIN/B009GYIJPY/pocklens-20
For the longest time I carried one of these messenger bags: Timbuk2 Messenger Bag http://www.amazon.com/exec/obidos/ASIN/B00E1O3WXI/pocklens-20
I like this Transit Sling 250 (I don’t own this): Lowepro Transit Sling Bag 250 http://www.amazon.com/exec/obidos/ASIN/B00D96LZ6K/pocklens-20
A disclaimer: The above links to products are “affiliate” links. If you click on them and buy the product, I’ll earn a small commission. You won’t pay a penny more than you would have if you bought it on your own. I own most, but not all of the items that I recommend. I personally think they are fine products and can, in good conscience, recommend them. -Sonny