to Edward,大牛,the monthly pass of Mcgill gym is $46 or so,students can get some discount.I have not been there so far in this winter. maybe this weekend I'll give it a shot if the outdoor courts are not available.
p.s. maybe you guys can email me your phone no. so that we can get in touch.
to Danny,take a look at this site,it might do some help on your backhand. web page