Mark Webber has warned against making overtaking too easy in Formula 1 and risking a situation like that which prevails in the IndyCar Series - 'where they pass people six times per lap' - which he argues is no more exciting than the current lack of action in grand prix racing.

The Red Bull Racing star returned to testing at Jerez last week following a nigh-on three-month lay-off caused by his mountain-biking accident whilst taking part in his annual, charity Pure Tasmania Challenge back in November.

The outing gave Webber his first taste of F1's new KERS (Kinetic Energy Recovery Systems) technology, as well as the opportunity to pronounce his verdict on the drastically different, 2009 aerodynamic regulations - and in an assessment that will provide scarce comfort to viewers increasingly frustrated by the lack of on-track entertainment in the top flight, the Aussie fears the changes will do little to improve the show.

"We only ran KERS a little bit at the end of the last day," he explained, speaking exclusively to Radio. "That was okay; it wasn't anything groundbreaking, but it was okay. You press the button and you go a little bit faster; there's nothing surprising there, considering everyone will probably press the button at the same time.

"I think they [Renault - Red Bull engine-supplier] are having a pretty good run with [developing] it. Whether we use it in Melbourne we'll probably find out in another two or three weeks, because it's early days, but they're working obviously very hard on it and trying to understand the system as quick as they can like every other team is.

"I drove on the slick tyres a little bit last year to get a feel for them. They give us more grip, definitely in the medium and low-speed corners, but the downforce is probably the biggest thing [that has changed]. The aerodynamics of the cars are very different to previous years; you can't attack the fast corners as much as you used to purely because you don't have the grip, and we have to brake a sniff earlier than usual - not much, but a little bit.

"We're still braking very late, though [in the general scheme of things], and I feel by the time we go to Melbourne people will be braking not far off the points where they were braking in the Australian Grand Prix this time last year, so to try and get down the inside of someone is still going to be very, very hard.

"If you're talking about overtaking in terms of someone just passing someone else on the straight, then that is an overtaking move but it's not very exciting. If that's what we want and we want people to not get held up behind other drivers and be able to pass on the straight then that might well happen, but we see in IndyCar racing that there are some times where they pass people six times per lap - and that's not that exciting either.

"Whether we have exciting overtaking moves because we can pass people on the brakes and with good slipstreaming remains to be seen, but I don't think it's going to do much for the racing, no."

As to Red Bull's own preparations, Webber was - no pun intended - bullish, with some suggesting that of the five teams that were testing together in southern Spain, only McLaren-Mercedes seemed to have gotten a better handle on the new regulations and produced a faster car than the Milton Keynes-based concern.

Moreover, the Adrian Newey-deigned RB5 has been widely described as the most aesthetically-pleasing model in a field of what are by-and-large ugly ducklings, and if he is unwilling to make any predictions as the sport heads into a brave new dawn, the New South Wales native did admit that he hopes the old adage about a beautiful car being a quick car holds to be true in this case.

"It's definitely the best-looking car," underlined the 32-year-old from Queanbeyan. "All the other ones I don't think are close to what the Red Bull looks like in terms of the detail, but it's not a beauty contest - it's a lap time contest. We're more interested in the lap time than the beauty, but if there's a bit of a beauty there too then that's a bonus.

"We had a pretty positive test, to be honest; the car rolled out with no real massive issues, which was good, given the amount of things which have changed.

"I think there will be changes [in the pecking order come Melbourne]. I don't know who's going to be surprising who, but there will be a few changes, yeah. It's impossible to say at the moment; it really is. I don't know how it's going to work out."