From my experience succuss of electronic DIY project in a big part depends on how good you solder circuit components. And high quality soldering depends on the prototype board. Three years ago I have published my review of Adafruit Board . It is indeed excellent for small projects accommodating Attinny85 processor but for project based on Atmega328 it is too small. For a long time my favorite boards for such projects were Radio Shack catalog numbers #276170 and #270150. Alas, there are no anymore Radio Shack stores around and, while Radio Shack web site still exists, boards are not on sale on there site. Sometimes Radio Shack boards can be bought on E-bay, but cost with delivery reaches $15 or even more. I consider this as too much. So I have started to look for a replacement. Eventually I found this site They sells some useful stuff including prototype boards. On the picture below you can see the board taken from there. I paid for five boards with delivery ~$25 (~$5 per a board).
Boards came nicely wrapped into transparent material. On wrapper of each board there were labels: "Made in Taiwan". As you can guess board has two power buses and six rows of three hole pads.
What differentiate this board form other unexpensive protype boards is the fact that conductor strips are not on surface but sandwiched in the middle. On one side of the board there is white paint picture of conductors topology, on opposite side there are isolated spots for component soldering. At first I got frustrated of this fact: (what if I need to cut conductive strip), but eventually I got used to it. By using some external wire and with boards three hole pads I can accommodate any circuit topology needed. Soldering experience is very good. At least as good as with Adafruit board (maybe even better).
Below you can see project I made with this board.