Novice:
I am quite perplexed to hear that the iQue does not do roundabouts properly.
I spent months in the summer of 2001 working directly with the programmer at Garmin to get roundabouts working 100% on the SP III - that was way back at software version 2.17 or so. In fact, this was the first major beta testing work I did with Garmin. We have some pretty wild roundabout combinations here in Switzerland (like, 3 in a row, or a roundabout within a roundabout), so we both did a lot of work. I would get a new software build shipped each Friday, and my job was to find fault with it over the weekend. In fact, I was joking that I wore out one side of a set of tires testing roundabout algorithms on the GPS software, and the other side sof the tires till had all the nubs on it, because we went through about 8 builds before we were both happy with the performance of the software through roundabouts (I guess I should have shipped the tires to a UK ST1100 owner...)
Roundabout guidance on the SP III and SP 26xx (at the latest software versions) is the best that it has ever been - IIRC you get told "take third exit", then 'turn right now', and the timing of the visual and voice prompts is very precisely matched to your position in the roundabout. In fact, roundabouts get one extra visual prompt that no other turn or leg change type get, just to make things crystal clear at all stages of the manoeuvre.
Anyway, the same guy who wrote the turn guidance software for the SP III / SP 26xx / GPS V did the software for the iQue - and he is a really exceptionally talented programmer - an absolute wizard. So, like I said, I am very perplexed by your comment. But, I don't know much about the iQue - I declined to participate in the testing of that one, because it's not really suitable for the way I ride my motorcycle (long distances, in rain, etc.).
May I suggest that you (double) check that you are running the very latest system software for your iQue, with the latest patch (if applicable) applied? I think the iQue ships with CitySelect, I'm not sure if CS has less attribute data than CN, but I vaguely remember that roundabout guidance was one area where CS was not as sophisticated as CN, but that was back in 2001. It may well have changed since then - both products have been updated twice since 2001.
In the meantime, I'll check things out from my end, and see what I can find. If it turns out that the problem stems from the (lack of) data contained in CS, then please take it easy on Garmin, it's not their fault, they have NOTHING to do with map data collection, that is done by NavTech. It is entirely possible that if your IQue was running CN rather than CS, the problem would go away, but I don't think you would want to pay about a $200 premium on the retail purchase price to get CN with the iQue, rather than CS - and that's about what it would probably cost Garmin to put CN into the iQue (just a guess on my end, based on comparing CS vs CN standalone prices, and the extra memory capacity needed to hold the same coverage data from CN vs CS).
As always, please remember, I don't speak for Garmin, ever. I am a volunteer beta tester, that's all.
PanEuropean
PS to Skipper: If you are eligible for a free upgrade to version 6 of CS, and if that is known to solve the roundabout problem, then I suggest you upgrade. If you want to wait till version 7 to upgrade - so you save the cost of a cartographic cycle - hey, that's your choice, but it's then not fair to complain your problem isn't solved if they are willing to give you a free fix (version 6). The purpose of the free upgrades is to make sure that everyone has the latest and greatest best possible performing product out of the box at the time of purchase. It's a bonus - rather gracious of them - if they are willing to let you skip a cycle to save money down the road if that is your preference (rather than having the latest and greatest out of the box at the time of purchase) - so I don't think you should be whinging. That's just my take on it, though.