I don't think a toolkit is a bad way to go if you are just getting started with your own bike maintenance. Just so you know you're not done buying tools. You may even have to replace some of the tools in the kit when you find out they are not heavy-duty enough.

Between those two I would get the nashbar kit because the tools appear to be slightly more substantial in the pictures. Wait for a 20% off sale, and it's an even better deal. You would have a hard time assembling a set like that for $120 buying individual tools. If you like the bikehand kit, you can get it at jenson for less right now.

I got this kit a few years ago on some deep discount closeout sale when it was branded as a nashbar kit. I think it's also a good kit to get started, and the hex bit sockets are really handy. Everything else is pretty light-duty but will work a few times if that's all you need.