believe it or not i have yet to put some subframes on my coupe. any hands on experience or stories about subs that you have used?

i hear steedas full length subs are the way to go. - Full-Length Subframe Connectors - '79-'04 Ford Mustang

these also dont look bad- eBay Motors: 79-93 Ford Mustang 5.0L Full Length Subframe Connectors (item 130166108671 end time Nov-01-07 07:26:26 PDT)

should i go tubular or boxed? pro's & con's?