I don't know what it is about anyone that use's a router we all eventually own a half dozen or more LOL, but it seems that most of us only really use one or two of them on a regular basis, cutting worktops needs the heaviest most powerful router you can get, heavy because it's so easy to tip the thing if your not careful and ruin your jig, powerful to cut a man made worktop in as few pass's as possible, but still with enough fines that it cut a natural wood top in lots of pass's, this is also the same router specification for putting into a table IMO, but a table is again IMO no good without a on the top of the table lift, and able to be locked on and operated from a NVR switch, I use a Hitachi for this type of work.
For dovetail work and freehand I use a Draper Expert 1/2" in fact I bought two for ease of use when making dovetails, it saves changing bits and loosing the settings.
I have three 1/4" Routers that generally sit in the tool box unused, can't remember the last time I used them, when rounding over table tops and that sort of thing, I have a large sliding table that I can put on my router table this stops the problem of the inevitable curve on the corners I can keep the edge nice and sharp against the fence.
You will find whatever you buy you will think the grass is greener just the other side and will end up with more than you need.