Our issue is that when he pushes the button, it's several seconds before the camera actually takes the picture. It doesn't seem to matter what time of day it is, or whether it is inside or outside. We don't take a lot of action shots, so I don't need something so fast. I can have him play around with the settings a bit, and maybe that will help,but I will have to see. We have a Samsung wb 150 I think it is. We have an older lumix which I think works better. But we have an upcoming cruise, and he wants something good to take lots of pictures of beautiful scenery! Thanks for the tips!
Based on everything you said, including your husband's suggestion of a dSLR.... I'd suggest going with a Micro 4/3rd or Sony NEX system. Definitely bigger than a compact, but much smaller than a SLR. Fitted with a smaller lens, these cameras easily can fit into a small bag, or larger pocket.
These cameras will perform very similarly to a traditional dSLR.
Something like the Olympus Pen PL/PM series -- I see it now selling with lens, for under $400. (I see the PL3 selling for $259 on
Amazon) Image quality will be very close to a traditional APS-C dSLR, and the newers mirrorless cameras are known to be very responsive with fast autofocus and little shutter lag. (Not quite as good as a traditional dSLR, but very close -- the PL3 is rated for about 1/4th of a second, pretty close to SLRs. The Sony NEX F3 can give you slightly higher image quality, with a response time of still less than 1/3rd of a second).
So to the extent you and your husband want a dSLR without the size and bulk of a dSLR, these are good options.
Very few compact cameras will compare. The Sony RX100 will come very very close, IMHO. And with the new version of the camera being released, if you look hard enough, you can start to find the RX100 for under $600. It will give you image quality very similar if not better than some of the mirrorless (maybe better than the PL3, not as good as the Nex F3). It's response time is very very good for a compact camera -- .15-.35 seconds.
For a more affordable option, sticking with a compact point and shoot -- The Canon S110 is a good standby. The image quality and responsiveness won't come very close to those above. But the response time should still be less than 1/2 of a second. Image quality will be a step above most compacts (though a few steps below the RX100). And it's a couple hundred dollars cheaper, clocking in at about $350.
Bulking up a bit, the Canon G15 is a bit cheaper than the RX100, a bit bulkier, but around $450, and has a fantastic lens. I really don't know the responsiveness, and overall image quality won't quite match the RX100.
The Canon G1x is priced about the same as the RX100, it's a bit bulkier. It's not super-responsive --- Shutter lag of about .7 seconds according to imaging-resource. But it has a larger sensor, so can potentially do better in low light. (Image quality is rated slightly higher on the RX100, but very similar).
So really, the better cameras can keep shutter lag to under a half second... dSLRs and top mirrorless/compact cameras can keep it down to under 1/4th of a second.