So, i book online the day before, no probs with that. But then i wake in the morning to find thunderstorms and lightening - what then? Do I really have to go or can i defer those tickets?
You're stuck with it from what I understand. There are a few indoor/undercover things like the Mummy rollercoaster and the waltzer things (that they call the Accelerator......but it's really just a waltzer!) and some of the shows are indoors, but it'd still be a real disappointment.
We eventually went on Thursday and had a great day with lovely weather - woke up on the Friday morning to rain, rain and more rain so we were lucky. When I went to buy the tickets the previous week it was rainy weather too but I could see the rides operating then, so I think they still go, they just stop when there is lightning and perhaps when the rain is really heavy (this was umbrella weather but not the crazy heavy rain that we get in thunderstorms).
The Battlestar is still closed and one of the people who worked there said they thought it'd be out of action until around Christmas/January. There's also a new Madagascar ride which isn't due to open until around the same time so it might be better to wait if people in the group are rollercoaster fans - at the moment, the Mummy is the only thrill ride (Jurassic Park is quite good, but apparently very tame compared to their LA park).
It's a small park and there aren't that many rides really but it's good for a day out with the kids (there's not much to do for very young kids though - I reckon 5-6 and upwards would have more fun). I don't think I'd buy an annual pass, it's just too small and I'd probably go about 3 times and feel like I'd been there, seen it, done it and (literally!) got the t-shirt.