This isn't the best but it's all I've got that I know for a fact is the 50 Cal+. The opening arpeggios and leads are through a Marshall. The rhythym riffs are my 50 Cal+. It's not a typical tone for it though. It is cranked wide open with the pre set on about 3 or 4 so that it gets more power tube break up. It's the combo with the cab close mic'd with a Shure SM-57. But we got a real crappy sound overall. The drums were OK.
http://www.soundclick.com/bands/page_songInfo.cfm?bandID=156872&songID=1200006
I think you will like your 50 Cal+. I bought my first one in 1990 and used it through 1996 when I sold it. I've been through various Marshalls, a Heartbreaker, an F-30, a Studio Caliber +, and other amps but I finally realized that the 50 Cal+ was my tone so I bought another one off Ebay. It'll never leave me again. I hope yours is all mine have been. They are tough as hell and sound sweet. They are very versatile. The only drawback for me is the lead and clean channels share tone settings.
Good Luck,
TBNT