The cables route along the bottom of the down tube and under the BB; this is a recipe for cable rub around the BB shell, so make sure you have a good look around this area. If it’s been neglected, the cables can rub right through the ally.
Otherwise, they’re pretty nails. As above, some of the kit fitted to them was turd (cheap-o headset and shite Avid brakes failed on mine) but most kit was excellent (pikes have never been serviced, and continue to function brilliantly, 4 years on).
Just look for the usual frame stuff, afaik there weren’t any issues with cracks or snapping bits.
Spesh warrantied them for 160mm forks, but i’ve seen plenty of people run them at 180mm with no issues.
Enjoy!