Problems with a powered Belkin hub

Can anyone tell me whether there's it's normal to have problems with externally-powered hubs plugged into a macbook or with certain hubs? Mine is a Belkin Hi-Speed USB 2.0 4-port P5U234. (I don't think the following problem ever happened in my old iMac G4 days, at least.)
The problem: I need the hub to run on external power because some of my devices won't run through the hub without it. But with the external power connected, the hub doesn't work properly on system startup (or restart). i.e. the hub is obviously getting power (it's red external power indicator light is on), yet none of the green lights for the attached devices are on and some or all of the devices aren't getting power (e.g. RF mouse won't work and there's a dialog saying it doesn't have enough power).
I can remove the external power cable before shutdown or restart, in which case all the green device lights are on at startup - but again the mouse won't work because of not enough power.
My workaround -- which I resignedly perform every morning before work <sigh!!> -- is to unplug the external power and plug it back in again about a second later.
I've been doing this for some months now (and every day I think 'surely this shouldn't be necessary!!'). It's bearable, but also hazardous to my data. This is because my external HD (with my TM backup) is one of the devices attached to the hub. I only need to be slightly distracted or half-awake, and I can accidentally remove the HD while mounted. I think I've probably already done this enough times despite my best efforts not to; and I'm getting regular bitmap errors from TTP on that drive.
So my questions ... Is this kind of USB hub behaviour normal generally? Or normal with macbooks generally? Or normal with certain specific hubs generally? Is there any way to stop it happening? Is there another brand/ model of hub that wouldn't behave this way with my system configuration?
Thanks.

Thanks, Kappy.
So you're saying it's definitely abnormal behaviour? And no USB hub should do this with a macbook? Yes?
(BTW returning would never have been on. I got it 2/hand on ebay, and it's always worked flawlessly for me without external power. I didn't discover this issue until I added a device that needed the external power several months after I bought the hub.)
Just before I go and buy a new hub ... Can anyone else confirm or challenge Kappy's assessment? (Not doubting you, Kappy; just don't want to risk wasting more money!!)

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somniac wrote:snipped
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