sump guides?

I've been debating over this myself as I'm planning on getting a 240-300gallon in the near future (as long as my tax calculations were right..lol) Anyways after doing a lot of reading and looking at the pre-made sumps/wet dry filters I'm just building one. I'm using a 75 gallon I already had to save some bucks, but also because it is much larger than most of the pre-fabricated ones for sale commercially. I posted my design I believe in the diy section, but after looking at 100s of designs I've opted for simplicity. 2 plastic storage towers in the 75 with some media and call it a day. Honestly while many of the store bought ones look cooler, they don't do anymore than a simple diy and in fact hold less media and less water. Here is a good example of a diy imo:

[video=youtube_share;dWav5u4yDkc]http://youtu.be/dWav5u4yDkc[/video]

If you are going marine, you may want to skip the wet/dry idea though

Just go to the diy filter section and there are planty of pics description of ideas..

Here is the build thread I based mine on. http://www.monsterfishkeepers.com/f...23425-300-gallon-SA-CE-community-build-thread!!
Here is a link to my build thread. http://www.monsterfishkeepers.com/f...C-540-Gallon-CA-Community-Build&highlight=540
You can search for the 5 or so topics I started last summer asking for pump size, drain size, how much water can x inch pvc really drain, etc.

I went with the design described in the threads above because I think it is the best fit for big freshwater tanks for lots of reasons. It's basically 2 submersible pumps, filter socks in a sump with NO chambers, and Herbie overflow. No K1, no bio-balls, no "wet/dry", no poret foam, none of that. I'm going about a month between changing filter socks now, and it takes about 2 minutes to change them. I have an ATO and chloramine filter, so I don't change water anymore either. Just feed the fish.

I made a trickle filter for my 300 stock is 6" tig. 2 8" Limas And 3. 4" pictus. No water problems at all . Sump. All the way.