I have not dealt with either of them but for the price and Quality(just what I've heard, won't know until my Casual kilt arives Friday) they have great prices here. http://scottishkilts.net/

They also have a sister company ScottishThemes.com that has better prices. But their stock is a little bit limited for accessories. But if your willing to email them and ask a few questions they will probally match the price on scottishkilt. As an example The Prince Charlie Premium Outfit on scottish themes is $995.00 US and $1152 US at ScottishKilts. These outfits include a lot of Clan Crested Items. Check them out and let me know what you think.