I've been happy with WebStrings, otherwise I tend to get what's on sale and typically use 10-46's. Picks, however, are a different story. Gotta go with the red.
I'm pretty committed to D'Addario at this point. I've tried a lot of other strings over the years, but keep coming back to them.
Picks are my Tortex-style pointed jumbo Jazz III and Fender Thin Celluloid, both with The Beard graphic. I also have a couple of V-Picks I like for certain things.
I switch between a few different Dava picks. The one pictured is their Delrin "Grip Tip" (which also has nylon and gel tip versions), Jazz3 sized versions of those, a steel-tipped "Rock Control" and the original "Control" that Alex posted. I don't care too much about the "multi-gauge" aspect (though it is pretty cool), it's just that they have the best grip I've come across. Rarely ever slip out of my hand, or hell, move unintentionally.
d'Addario XL Nickle Wound strings 10 - 46 for years, though I just got a free set of Dunlops and I'm going to give those a try this week.
For a pick I made the switch to the Dunlop Jazz III about 8 months ago and really like them. It took awhile to get used to the stiffer pick but I really like it now. It is also forcing me to use a 'looser' grip on the pick. I use these for electric guitar playing.
But for acoustic playing it is always the Fender celluloid medium picks. Nothing else feels right to me.
Ever since I got my samples... I bought a 72 pack and love love LOVE them. I even use them on my electrics because I like the way the guitar sounds when the pick hits the strings. All my old picks sound dead and muted in comparison.
Strings... I'm all about the D'Addarios. I use the 10-52's on my electrics and the phosphor bronze on my Taylor.
I use the grey dunlops but and switching to Ultex soon as I wear out the Dunlops. But for acoustic I love the fender celluloid lights even though they break really easily.