There was a thread about this yesterday, I'll try to find it and bump it.
My husband likes Gorringe jodhpurs best, he's tall and fairly thin and they aren't baggy and don't fall down. They also last well.
He's had the dublin saddlehuggers recommended but he wasn't keen on the stretch cotton fabric (he's fussy).
Robinsons do an everyday pair, called robust I think, that are pretty cheap and hard wearing, hubby found the fit wasn't right on him, the crotch was too low, but if they suit you they are a great price and the ladies ones last pretty well.
My OH is also a fan of Mark Todd Breeches, I think they are the Auckland ones. They are not too clinging/tight fitting & he has 2 pairs of fawn competition ones & 1 pair of darker ones for lessons etc.
I work with horses, so live in breeches day in day out, have tried a few different makes, but overall Mark Todd ones are the best value for money, they are comfortable, smart and last the longest. OH keeps a close eye on ebay and usually grabs me a bargain.
I'm tall and thin and I like Equetech breeches, although I'll try almost anything that's well priced (well priced men's breeches, yeah like that's ever going to happen).