I have a Laguna Powerjet pump. Its a few years old now, but never let us down. Not sure on the new design though. Looks a bit too "good looking" to be a practical, reliable solution.
Got mine from here. Website's not much cop, but the place is great. I go there sometimes, just for a look around! And they still stock the above pumps so must think they are ok. Expect to spend around the £100 mark for a decent pump.
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