"Used an IM350 for building a large summerhouse. Using 63 and 90mm nails, it made light work of the framing but struggled a bit with repetitive work - I think it needed a breather! Also not great first thing in the morning (like me). Quite a few people I know say the gas struggles in cold temperatures (I would say it was cool not cold), so bear that in mind. Good supply from Screwfix - stock item I think so no concerns there. It's pricy stuff especially combined with the nails but time saved = fair price."