Hey,
Way to go joining the master's group. My swim time was about like yours last year, and I have started working with a Total Immersion coach in Atlanta once a month to get my technique corrected. For us it is really about technique most importantly.

If I can offer you a little more advice, based on what you have told me in the past about doing all your rides alone....you really need to do on group rides. Yes, they are fast and sometimes you get dropped (me too) but you push so much harder and you 'redefine your concept of fast'. I think that is why my biking is continuing to improve; I moved here and inherited a faster group!

Congrats on your progress with the weight, stay positive! I have found that lifting weights about 4 times per week is helping me drop weight / improve body composition (just a tip).

I will be looking for you in Phoenix '08!

all the best,
Laura