Fluval looks slightly nicer cabinet wise IMO, has much better lighting and has a more reliable and external filter. Last time I checked, it was cheaper too.
I would certainly go with the fluval.
I had no problems with the filter on the juwel its still working now 4 years down the line although i now run a seperate ext filter but i am quite well stocked. My only problem with the Juwel tanks is the lighting if you intend on going planted but this is easy to rectify as its only really the tubes that are rubbish so after a while change them to another make like i did. It is also relativly cheap to add extra T8's if you feel you need to ive just added 2 extra for £15 plus the tubes but like i said on my other post the new juwels come with T5's now so should be much betterI used fluval external and internal filters for ages (few years) and have only recently switch to eheim because it had a built in heater. They tend to be quite loud and the pipe work on them looks crap but other then that I didnt have too many problems. You have to make sure you get the lid on right though and that the seal is clean or they do leak. I think you would have this problem on any filter though. i have used the 104 upto 405 externals and a couple of internals that I cant remeber the model numbers of![]()