Sigma 24-60 f2.8 EX $390 at adorama
Sigma 70-200 f2.8 EX HSM $680 at adorma
Sigma 1.4 ex apo tele-converter $170
That would cover an effictive view from 38.4mm-448mm with fast sharpglass
Canon 550EX Flash $300 imported/$330 USA
Sandisk Ultra II 1 Gig card $100
Tripod Manfroto 728B $114
Lowpro Backpack various modles varying from $100-$200
A few filters for you lenses, UV, Polarized, maby a skylight, $100-$200
Couple extra 1500 mAh BP511 batterys less than $20 off ebay
remote shutter reliese for the rebel RS-60E3 $26
Total $2030 and you could do just about anything except shoot sports cause the rebel sucks at shooting fast moving subjects, If you want to shoot fast sports or cars take the camera back and trade it in for a 20D.

