FLC OF AN MLG ACR ACFT FAILED TO MEET SID SPD RESTRICTION.

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ASSIGNED A TAMPA 2 DEP SID WITH THE EXCEPTION TO FLY HDG OF 210 DEGS. DURING TAXI OUT; RWY CHANGED TO 18L FROM 18R. BOTH FO AND I GOT OUT OUR ARPT DIAGRAMS WHICH WE LAID ON TOP OF OUR TAMPA 2 SIDS. REACHING RWY 18L; CLRED FOR IMMEDIATE TKOF AND TURN TO 210 DEGS. PASSING THROUGH 3000 FT; TURNED TO 360 DEGS AND SWITCHED TO ZJX. SHORTLY AFTER PASSING THROUGH 10000 FT; CTLR CALLED OUT VFR TFC 12 O'CLOCK; ALT UNKNOWN. ACFT WAS CONNECTED TO AUTOPLT AND ENGAGED IN PERFORMANCE CLB MODE SO BOTH THE FO AND I COULD SCAN OUTSIDE FOR THE TFC. EXCEPT FOR CURSORY GLANCES INSIDE WE BOTH CONTINUED TO SCAN FOR THE VFR TFC WHICH WE NEVER DID SEE VISUALLY OR ON THE TCASII. CTLR FINALLY CALLED US FREE OF TFC AND ASKED US OUR SPD. WE SAID WE WERE AT 300 KTS AND HE ASKED US IF WE WERE AWARE OF THE SPD RESTRICTION ON THE TAMPA 2 SID. WE ANSWERED THAT WE HAD OVERLOOKED IT. WE ASKED HIM WHAT SPD HE WOULD LIKE US AT AND HE SAID NORMAL SPD. SPD RESTRICTIONS ON A CLB SHOULD BE ISSUED BY CLRNC DELIVERY SO WE CAN SET THEM IN OUR EQUIP. IF 250 KT SPD RESTRICTION OUT OF 10000 FT IS NOT VERY COMMON; THE CTLR SHOULD ADVISE US OF IT WHEN WE ARE SWITCHED TO HIM. THE TAMPA 2 SID SAYS IT IS A VECTOR AND THE 250 KT RESTRICTION IS NOT SHOWN ON THE GRAPHIC. WE TOOK OFF ON A RWY (18L) AND WERE ISSUED A HDG THAT WAS CONTRARY TO THE PUBLISHED LEGEND ON THE SID. IF 250 KT RESTRICTION ON A SID IS VERY NEW AND POTENTIALLY VERY CONFUSING; CLRNC AND DEP SHOULD GIVE US BOTH ALTS AND SPDS TO FOLLOW WHEN DEVIATING FROM NORMAL STANDARD PROCS.