[sunblade]

<Maxi-Jet MP1200 Powerhead>
*Flowrate: 295GPH
*Power Consumption: 20 Watts
*Max Head: 69 inches (5.75 ft)
*Price: $15-$25
*Input Fitting: Unknown, no barb, 1/2"ID fits <edit> 1/2"ID silicone fits </edit>
*Output Fitting: Slightly smaller than 1/2"ID barb, requires really really good seal to be used with 1/2"ID tubing, no barb
*Comments:
-Cheap
-Pretty reliable for aquarium use
-Can get warm to hot with constant use, has auto-shutoff on overheat
-Needs some planning to attach tubing
-Can be audible if on hard surface, cushioning handy
-Small size, smaller than Eheims

<Maxi-Jet MP900 Poewrhead>
*Flowrate: 230GPH
*Power Consumption: 8.5 Watts
*Max Head: 46 inches (3.83 ft)
*Price: $15-$25
*Input Fitting: Unknown, no barb, 1/2"ID fits <edit> 1/2"ID silicone fits </edit>
*Output Fitting: Slightly smaller than 1/2"ID barb, requires really really good seal to be used with 1/2"ID tubing, no barb
*Comments:
-About $1-$2 cheaper than MP1200 model
-Hardly gets warm during constant use, almost cold when air is blowing over it
-Probably slightly more reliable than MP1200 due to cooler operation, remember thermal auto-shutoff
-Same fittings as MP1200, remember to plan your fittings
-Noticeably quieter than MP1200, cannot hear from inside case unless ear right up to side (all other components off)
-Same size as MP1200, still compact

In general, I've been happy with the Maxi-Jet family. Currently I'm using the MP900 since I wanted a pump that runs cooler and don't really need the extra flow. My pump is held in with velcro, so the noise is dampened some. Also, I have 3 90-degree turns in my system with a maze2 and 1/2"ID tubing, so I'd say that the pumps can handle resistance pretty well. Hmmm, I wonder if I wrote too much.