We are looking at getting one this year for the kids as well.

DD will be 3 by Xmas and the twins 18mths, so I'm looking at ones that have 2 swings (minimum) and a big slide. We will consider investing quite a bit to get a good one that lasts as they will have it for a good 8-10 years and if DD's love of the playground continues then I'll struggle to keep her off the thing